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136-461: The YDM-3 served both passenger and freight trains for over 35 years. As of January 2020, all 30 locomotives have been withdrawn from service with two locomotives being preserved. The history of YDM-3 begins in the early 1960s with the stated aim of the Indian Railways to remove steam locomotives from Indian rails after recommendation of Karnail Singh Fuel Committee. Therefore, required building

272-651: A tsunami lashed the shores of Chennai, killing 206 people in Chennai and permanently altering the coastline. The 2015 Chennai Floods submerged major portions of the city, killing 269 people and resulting in damages of ₹ 86.4 billion (US$ 1 billion). Chennai is located on the southeastern coast of India in the northeastern part of Tamil Nadu on a flat coastal plain known as the Eastern Coastal Plains with an average elevation of 6.7 m (22 ft) and highest point at 60 m (200 ft). Chennai's soil

408-533: A 20-day strike . The first metro rail was introduced in Calcutta on 24 October 1984. In 1986, computerized ticketing and reservations were introduced. In 1988, the first Shatabdi Express was introduced between New Delhi and Jhansi . Two years later, the first self-printing ticket machine (SPTM) was introduced in Delhi. In 1993, air-conditioned three-tier and sleeper were introduced. In 1995, Chennai MRTS became

544-452: A banana leaf. Eating on a banana leaf is an old custom and imparts a unique flavour to the food and is considered healthy. Idly and dosa are popular breakfast dishes. Chennai has an active street food culture and various cuisine options for dining including North Indian , Chinese and continental . The influx of industries in the early 21st century also bought distinct cuisines from other countries such as Japanese and Korean to

680-626: A beta-level city in the Global Cities Index , Chennai regularly features among the best cities to live in India and is amongst the safest cities in India. Chennai is a major centre for medical tourism and is termed "India's health capital". Chennai houses a major portion of India's automobile industry, hence the name " Detroit of India". It was the only South Asian city to be ranked among National Geographic 's "Top 10 food cities" in 2015 and ranked ninth on Lonely Planet 's best cosmopolitan cities in

816-612: A classical dance form that originated in Tamil Nadu and is the oldest dance in India. Cultural centres in the city include Kalakshetra and Government Music College. Chennai is also home to some choirs, who during the Christmas season stage various carol performances across the city in Tamil and English. Chennai is home to many museums, galleries, and other institutions that engage in arts research and are major tourist attractions. Established in

952-475: A combination of various folk music, is sung mainly in the working-class area of North Chennai. Chennai Sangamam , an art festival showcasing various arts of South India is held every year. Chennai has been featured in UNESCO Creative Cities Network list since October 2017 for its old musical tradition. Chennai has a diverse theatre scene and is a prominent centre for  Bharata Natyam ,

1088-509: A dry-summer tropical wet and dry climate which is designated As under the Köppen climate classification . The city lies on the thermal equator and as it is also located on the coast, there is no extreme variation in seasonal temperature. The hottest time of the year is from April to June with an average temperature of 35–40 °C (95–104 °F). The highest recorded temperature was 45 °C (113 °F) on 31 May 2003. The coldest time of

1224-1171: A few sections, intermediate block signalling is provided to further enhance line capacity with minimal investment. As of March 2020, 602 block sections have intermediate block signals. Indian Railways primarily uses coloured signal lights , which replaced the earlier semaphores and disc-based signalling . It uses two-aspect, three-aspect and four (or multiple) aspect color signalling across its network. Signals at most stations are interlocked using panel interlocking , route-relay interlocking or electronic interlocking methods that eliminate scope for human signalling errors. Indian Railways uses track circuiting , and block proving axle counters for train detection. As of March 2023, 6,523 stations have interlocked and multi-aspect signalling. Around 99% of key routes have track circuitry or block proving axle counters for automated train detection and Kavach automatic train protection system has been implemented in 1,445 km (898 mi) of tracks. The railways has about 59,105 km (36,726 mi) of optical fiber cable network used for train control, voice and data communication with 3,445 km (2,141 mi) of

1360-441: A four or five letter code. The locomotives may be Longer Hood Front (LHF), where the driver cabin is behind the hood of the engine or Short Hood Front (SHF), where the cabin is located towards the front. Multiple units (MU) are propelled by locomotives integrated with train-sets. In 2015, the first Compressed Natural Gas (CNG) powered MUs were rolled out by ICF. In 2018, the semi-high speed self-propelled Vande Bharat train-set

1496-504: A horse-drawn tramway began operation in Bombay between Colaba and Parel . In 1879, the Nizam's Guaranteed State Railway was established which built railway lines across the then Hyderabad State from Kachiguda . In 1877, an Ajmer built F-1/734 Steam Locomotive became the first indigenously built locomotive in India. In 1897, lighting in passenger coaches was introduced with Jodhpur Railway,

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1632-532: A house. There are about 1,131 slums in the city housing more than 300,000 households. The city is governed by the Greater Chennai Corporation (formerly "Corporation of Madras"), which was established on 29 September 1688. It is the oldest surviving municipal corporation in India and the second oldest surviving corporation in the world. In 2011, the jurisdiction of the Chennai Corporation

1768-714: A large number of Meter gauge diesel locomotives. Thus Indian Railways began looking at various diesel–electric designs. EMD gave them the model number GA12. Meter gauge, though rare gauge today, used to be a dominant gauge that time. After the introduction of YDM-1 locomotives by North British , Indian Railway thought for more powerful ones and hence EMD and the American Locomotive Company (ALCO) submitted designs of YDM-3/ YDM-5 ( 12-567C ) and YDM-4 respectively for new diesel locomotives. Each company supplied their locomotives in 1961. So about twenty five of these YDM-5 locomotives were ordered from General Motors, USA in

1904-508: A long-term effort, Project Unigauge , aims to convert most of these to broad gauge. As of 31 March 2023 , 65,978 km (40,997 mi) or 96.20% of the network was broad-gauge, 1,345 km (836 mi) or 1.96% metre-gauge and 1,262 km (784 mi) or 1.84% narrow-gauge. The broad-gauge network is equipped with long-welded , high-tensile 52kg/60kg 90 UTS rails with pre-stressed concrete (PSC) sleepers and elastic fastenings. As of July 2020, there are seven major routes

2040-635: A lot of maintenance, possibly more than the axle-hung motors of the YDM-4 types. But In cab-forward mode, the YDM-3 locomotives offered an excellent view, and the cabin was more spacious than the YDM-4. By the late 1990s the locomotives were had been withdrawn from service, all because of spare parts becoming difficult to source and work for the class declining due to conversion of meter gauge to broad gauge . These locomotives were withdrawn as life-expired in February 1996, and

2176-761: A number of manufacturing units , training establishments , PSUs and other undertakings under the purview of the Indian Railways. Staff are classified into gazetted (Groups A and B) and non-gazetted (Groups C and D) employees with gazetted employees carrying out executive/managerial level tasks. As of March 2023, Groups A & B constitute 1.5% of the total workforce, while Group C & D account for 98.5%. 80% of Group-A employees are recruited through Indian Railways Management Service with remaining through promotions. Group B employees are recruited by departmental promotional exams of Group C employees. Recruitment of Group C employees are through exams conducted by

2312-569: A semi-high speed self-propelled train-set capable of reaching speeds of over 160 km/h (99 mph) was rolled out from ICF and the Vande Bharat Express was launched in 2019. Indian Railways announced plans to become a net-zero carbon emission railway by 2030 and has implemented rainwater harvesting at stations, reforestation along the tracks, introduction of solar-powered trains, installation of solar and wind power generation facilities, and sustainable LED lighting at all

2448-516: A single metre gauge line from Chennai Beach to Tambaram . In the period between 1925 and 1944, the management of the railway companies in the British presidencies and provinces were taken over by the Government. In 1950, there were about 42 different railway companies operating about 55,000 km (34,000 mi) tracks across the country. These railway companies were amalgamated in steps to form

2584-620: A single entity named as Indian Railways. In December 1950, the Central Advisory Committee for Railways approved the plan for re-organizing Indian Railways into six regional zones with the Southern (14 April 1951), Central (5 November 1951), and Western (5 November 1951) zones being the first to be created. In 1952, fans and lights were mandated for all compartments in passenger trains and sleeping accommodations were introduced in coaches. The first diesel locomotive used in India

2720-571: A ticket holder to board the train and share a berth. Reserved tickets can be booked by passengers who want to travel at short notice at higher fares through the Tatkal train ticket , where no refund is applicable on cancellation. A valid proof for the purchase of ticket along with photo identification is required to board the train. Unreserved tickets for short distance or unplanned travels may be purchased at stations or through UTS mobile app at any time before departure. Holders of such tickets may only board

2856-460: A total length of 11,295 km (7,018 mi) which have been classified as High-Density Network (HDN) routes or Trunk routes. There is 60% traffic on these routes, which are designed for speed limit of 160  km/h . These Trunk route include Chennai–Howrah , Chennai–Mumbai , Delhi–Chennai , Delhi–Howrah , Howrah–Mumbai , Mumbai–Delhi and Delhi–Guwahati. The first electric train ran in Bombay in 1925 on DC traction. In 1928, DC traction

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2992-923: Is a division of the Tamil Nadu Police , the administrative control of which lies with the Home ministry of the Government of Tamil Nadu. Greater Chennai Traffic Police (GCTP) is responsible for the traffic management in the city. The metropolitan suburbs are policed by the Chennai Metropolitan Police , headed by the Chennai Police Commissionerate , and the outer district areas of the CMDA are policed by respective police departments of Tiruvallur, Kanchipuram, Chengalpattu and Ranipet districts. As of 2021 , Greater Chennai had 135 police stations across four zones with 20,000 police personnel. As of 2021 ,

3128-540: Is a major centre for music, art and dance in India. The city is called the Cultural Capital of South India. Madras Music Season , initiated by Madras Music Academy in 1927, is celebrated every year during the month of December and features performances of traditional Carnatic music by artists from the city. Madras University introduced a course of music, as part of the Bachelor of Arts curriculum in 1930. Gaana ,

3264-446: Is about 120 cm (47 in). The highest annual rainfall recorded was 257 cm (101 in) in 2005. Prevailing winds in Chennai are usually southwesterly between April and October and northeasterly during the rest of the year. The city relies on the annual monsoon rains to replenish water reservoirs. Cyclones and depressions are common features during the season. Water inundation and flooding happen in low-lying areas during

3400-616: Is among the largest small-scale industrial estates in the country. Chennai contributes more than 50 per cent of India's leather exports. Chennai is a major electronics hardware exporter. The city is home to the Madras Stock Exchange , India's third-largest by trading volume behind the Bombay Stock Exchange and the National Stock Exchange of India . Madras Bank, the first European-style banking system in India,

3536-461: Is among the major information technology (IT) hubs of India. Tidel Park established in 2000 was amongst the first and largest IT parks in Asia. The presence of SEZs and government policies have contributed to the growth of the sector which has attracted foreign investments and job seekers from other parts of the country. In the 2020s, the city has become a major provider of SaaS and has been dubbed

3672-527: Is amongst the top export districts in the country with more than US$ 2563 billion in exports. The city has a permanent exhibition complex Chennai Trade Centre at Nandambakkam . The city hosts the Tamil Nadu Global Investors Meet , a business summit organized by the Government of Tamil Nadu. With about 62% of the population classified as affluent with less than 1% asset-poor, Chennai has the fifth highest number of millionaires. Chennai

3808-560: Is characterized by a mix of regional and national political parties. During the 1920s and 1930s, the Self-Respect Movement , spearheaded by Theagaroya Chetty and E. V. Ramaswamy emerged in Madras. Congress dominated the political scene post Independence in the 1950s and 1960s under C. Rajagopalachari and later K. Kamaraj . The Anti-Hindi agitations led to the rise of Dravidian parties with Dravida Munnetra Kazhagam (DMK) forming

3944-471: Is connected to West Bengal with a construction of new rail link connecting Tripura with Akhaura . Two rail links to Nepal exist as of 2021, with a third under construction. There is an existing railink with Pakistan through Attari – Wagah border. Indian Railways uses a range of signalling technologies and methods to manage its train operations based on traffic density and safety requirements. As of March 2023, around 3,549 km (2,205 mi) of

4080-523: Is divided into 18 administrative zones (17 operational), headed by general managers which are further subdivided into 71 operating divisions , headed by divisional railway managers (DRM). The divisional officers of the respective operating verticals report to the DRMs and divisional heads and are tasked with the operation and maintenance of assets. Station masters control individual stations and train movements through their stations' territory. In addition, there are

4216-436: Is estimated to be around 64.06 km (24.73 sq mi) with 121 recorded species belonging to 94 genera and 42 families. Major species include Copper pod , Indian beech , Gulmohar , Raintree , Neem , and Tropical Almond . The city's marine and inland water bodies house a number of fresh water and salt water fishes, and marine organisms. Chennai had many lakes spread across the city, but urbanization has led to

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4352-573: Is located on the Coromandel Coast of the Bay of Bengal . According to the 2011 Indian census , Chennai is the sixth-most populous city in India and forms the fourth-most populous urban agglomeration . Incorporated in 1688, the Greater Chennai Corporation is the oldest municipal corporation in India and the second oldest in the world after London . Historically, the region was part of

4488-654: Is mostly clay , shale and sandstone . Clay underlies most of the city with sandy areas found along the river banks and coasts where rainwater runoff percolates quickly through the soil. Certain areas in South Chennai have a hard rock surface. As of 2018, the city had a green cover of 14.9 per cent, with a per capita green cover of 8.5 square metres against the World Health Organization recommendation of nine square metres. As of 2017 , water bodies cover an estimated 3.2 km (1.2 sq mi) area of

4624-488: Is situated in Seismic Zone III , indicating a moderate risk of damage from earthquakes . Owing to the tectonic zone the city falls in, the city is considered a potential geothermal energy site. The crust has old granite rocks dating back nearly a billion years indicating volcanic activities in the past with expected temperatures of 200–300 °C (392–572 °F) at 4–5 km (2.5–3.1 mi) depth. Chennai has

4760-638: Is spread across five constituencies. It elects 28 MLAs to the state legislature. Being the capital of the Madras Province that covered a large area of the Deccan region, Chennai remained the centre of politics during the British colonial era. Chennai is the birthplace of the idea of the Indian National Congress , which was founded by the members of the Theosophical Society movement based on

4896-540: Is the base for Tamil cinema , nicknamed Kollywood, alluding to the neighbourhood of Kodambakkam where several film studios are located. The history of cinema in South India started in 1897 when a European exhibitor first screened a selection of silent short films at the Victoria Public Hall in the city. Swamikannu Vincent purchased a film projector and erected tents for screening films which became popular in

5032-591: The AVANI , headquartered in Chennai manufactures Armoured fighting vehicles , Main battle tanks , tank engines and armoured clothing for the use of the Indian Armed Forces . ISRO , the premier Indian space agency primarily responsible for performing tasks related to space exploration operates research facilities in the city. Chennai is the third-most visited city in India by international tourists according to Euromonitor. Medical tourism forms an important part of

5168-654: The Chennai Central and Chennai Egmore railway stations. The Santhome Church , which was originally built by the Portuguese in 1523 and is believed to house the remains of the apostle St. Thomas , was rebuilt in 1893, in neo-Gothic style. By the early 20th century, the art deco made its entry upon the city's urban landscape with buildings in George Town including the United India building (presently housing LIC ) and

5304-467: The Chennai Metropolitan Area , the 35th-largest urban area in the world by population and one of the largest metropolitan economies of India. Chennai has the fifth-largest urban economy and the third-largest expatriate population in India. As a gateway to South India, Chennai is among the most-visited Indian cities ranking 36th among the most-visited cities in the world in 2019. Ranked as

5440-663: The Chepauk Palace designed by Paul Benfield amongst the first Indo-Saracenic buildings in India. Other buildings in the city from the era designed in this style of architecture include Fort St. George (1640), Amir Mahal (1798), Government Museum (1854), Senate House of the University of Madras (1879), Victoria Public Hall (1886), Madras High Court (1892), Bharat Insurance Building (1897), Ripon Building (1913), College of Engineering (1920) and Southern Railway headquarters (1921). Gothic revival-style buildings include

5576-565: The Chola , Pandya , Pallava and Vijayanagara kingdoms during various eras. The coastal land which then contained the fishing village Madrasapattinam, was purchased by the British East India Company from the Nayak ruler Chennapa Nayaka in the 17th century. The British garrison established the Madras city and port and built Fort St. George , the first British fortress in India. The city

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5712-543: The Globalization and World Cities Research Network , Chennai is amongst the most integrated with the global economy, classified as a beta-city . As of 2023 , Chennai metropolitan area had an estimated GDP of $ 143.9 billion, ranking it among the most productive metro areas in India. Chennai has a diversified industrial base anchored by different sectors including automobiles , software services , hardware , healthcare and financial services . As of 2021 , Chennai

5848-557: The Government of Tamil Nadu officially changed the name from Madras to Chennai. The name "Madras" continues to be used occasionally for the city as well as for places or things named after the city in the past. Stone Age implements have been found near Pallavaram in Chennai and according to the Archaeological Survey of India (ASI), Pallavaram was a megalithic cultural establishment, and pre-historic communities resided in

5984-622: The Hindu temples consisted of large mantapas with gate-pyramids called gopurams in quadrangular enclosures that surround the temple. The Gopuram, a monumental tower usually ornate at the entrance of the temple forms a prominent feature of Koils and whose origins can be traced back to the Pallavas who built the group of monuments in Mamallapuram . The associated Agraharam architecture, which consists of traditional row houses can still be seen in

6120-600: The Madras Presidency with Madras as the capital. The city became a major naval base and became the central administrative centre for the British in South India. The city was the baseline for the Great Trigonometrical Survey of India , which was started on 10 April 1802. With the advent of railways in India in the 19th century, the city was connected to other major cities such as Bombay and Calcutta , promoting increased communication and trade with

6256-588: The Railway Recruitment Control Board (RRCB) and Group D staffs are recruited by zonal Railway Recruitment Cells (RRC). Indian Railways operates seven centralized training institutes and 295 training centers. It also provides housing , healthcare and education facilities for staff. Indian Railways has various public sector undertakings (PSUs) and other organisations under its purview: Indian Railways also has multiple bodies and undertakings under its purview such as: The first trains in

6392-582: The Treaty of Aix-la-Chapelle and strengthened the town's fortress wall to withstand further attacks from the French and Hyder Ali , the king of Mysore . They resisted a French siege attempt in 1759. In 1769, the city was threatened by Hyder Ali during the First Anglo-Mysore War with the Treaty of Madras ending the conflict. By the 18th century, the British had conquered most of the region and established

6528-432: The hinterland . After India gained its independence in 1947, the city became the capital of Madras State , the predecessor of the current state of Tamil Nadu. The city was the location of the hunger strike and death of Potti Sreeramulu which resulted in the formation of Andhra State in 1953 and eventually the re-organization of Indian states based on linguistic boundaries in 1956. In 1965, agitations against

6664-427: The imposition of Hindi and in support of continuing English as a medium of communication arose which marked a major shift in the political dynamics of the city and eventually led to English being retained as an official language of India alongside Hindi. On 17 July 1996, the city was officially renamed from Madras to Chennai, in line with then a nationwide trend to using less Anglicised names. On 26 December 2004,

6800-450: The ownership of the Ministry of Railways of the Government of India that operates India's national railway system. As of 2023 , it manages the fourth largest national railway system by size with a track length of 132,310 km (82,210 mi), running track length of 106,493 km (66,172 mi) and route length of 68,584 km (42,616 mi). As of August 2024 , 96.59% of

6936-549: The south zonal office of the Reserve Bank of India , the country's central bank, along with its zonal training centre and staff College, one of the two colleges run by the bank. The city also houses a permanent back office of the World Bank . About 400 financial industry businesses are headquartered in the city. DRDO , India's premier defence research agency operates various facilities in Chennai. Heavy Vehicles Factory of

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7072-478: The weather radar at the Chennai Port prohibited the construction of buildings taller than 60 m around a radius of 10 km till 2009. This resulted in the central business district expanding horizontally, unlike other metropolitan cities, while the peripheral regions began experiencing vertical growth with the construction of taller buildings with the tallest building at 161 metres (528 ft). Chennai

7208-467: The "SaaS Capital of India". The automotive industry in Chennai accounts for more than 35% of India's overall automotive components and automobile output, earning the nickname " Detroit of India ". A large number of automotive companies have their manufacturing bases in the city. Integral Coach Factory in Chennai manufactures railway coaches and other rolling stock for Indian Railways . Ambattur Industrial Estate housing various manufacturing units

7344-511: The 15th century CE. The Portuguese arrived in 1522 and built a port named São Tomé after the Christian apostle, St. Thomas , who is believed to have preached in the area between 52 and 70 CE. In 1612, the Dutch established themselves near Pulicat , north of Chennai. On 20 August 1639, Francis Day of the British East India Company along with the Nayak of Kalahasti Chennappa Nayaka met with

7480-515: The 1800s were hauled by imported steam locomotives. In 1877, the first locomotive was built in India. Electric locomotives were introduced in 1925 and diesel locomotives later in 1954. By 1990s, steam locomotives were phased out and are currently operated only on mountrain railways and on heritage trains . Locomotives are classified by track gauge ( broad / metre / narrow / narrower ), motive power (electric/diesel/battery), function (passenger/goods/mixed), power rating (x1000 HP ) and model in

7616-731: The 1960s, Electric multiple units (EMU) were developed for short-haul and suburban rail transit. On regional short-distance routes, Mainline electrical multiple unit (MEMU) and Diesel electrical multiple unit (DEMU) trains are run. These train sets run in formation of 6, 9, 12 or 15 coaches and a three-car set is typified by a motor coaches and two passenger coaches. These train-sets are self-propelled with capability for faster acceleration or deceleration. In 2018, Indian Railways also rolled out semi-high speed self-propelled train sets with modified coaches for inter city trains. Indian Railways hauls variety of cargo to cater to various requirements and have specialized rolling stock corresponding to

7752-500: The Adyar, Cooum and Kosathaliyar rivers, and the Buckingham canal are heavily polluted with effluents and waste from domestic and commercial sources. The encroachment of urban development on wetlands has hampered the sustainability of water bodies and was a major contributor to the floods in 2015 and 2023 and water scarcity crisis in 2019 . The Chennai River Restoration Trust set up by

7888-637: The Buckingham Canal at Basin Bridge . The groundwater table in Chennai is at 4–5 m (13–16 ft) below ground level on average and is replenished mainly by rainwater. Of the 24.87 km (15.45 mi) coastline of the city, 3.08 km (1.91 mi) experiences erosion, with sand accretion along the shoreline at the Marina beach and the area between the Ennore Port and Kosasthalaiyar river . Chennai

8024-674: The Burma Shell building (presently the Chennai House), both built in the 1930s, and the Dare House built in 1940 examples of this architecture. After Independence , the city witnessed a rise in the Modernism and the completion of the LIC Building in 1959, the tallest building in the country at that time marked the transition from lime-and-brick construction to concrete columns. The presence of

8160-409: The Indian Railways and public sector companies BEML and BHEL. The coaching stock have unique five or six digit identifiers. Till 2018, the first two digits indicating the year of manufacture and the last three digits indicating the class. In 2018, the numbering system was changed with the first two digits indicating the year of manufacture and the last four digits indicating the sequence number. In

8296-550: The Tamil originally spoken by the native people of the city. Korean , Japanese , French , Mandarin Chinese , German and Spanish are spoken by foreign expatriates residing in the city. Chennai is home to a diverse population of ethno-religious communities. As per census of 2011, Chennai's population was majority Hindu (80.73%) with 9.45% Muslim , 7.72% Christian , 1.27% others and 0.83% with no religion or not indicating any religious preference. Tamils form majority of

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8432-534: The Vijayanager Emperor Peda Venkata Raya at Chandragiri and obtained a grant for land on the Coromandel coast on which the company could build a factory and warehouse for their trading activities. On 22 August, he secured the grant for a strip of land about 9.7 km (6 mi) long and 1.6 km (1 mi) inland in return for a yearly sum of five hundred lakh pagodas . The region

8568-561: The areas surrounding the temples. Chennai has the second highest number of heritage buildings in the country. With the Mugals influence in mediaeval times and the British later, the city saw a rise in a blend of Hindu , Islamic and Gothic revival styles, resulting in the distinct Indo-Saracenic architecture. The architecture for several institutions followed the Indo-Saracenic style with

8704-466: The broad-gauge network is electrified . With more than 1.2 million employees, it is the world's ninth-largest employer and India's second largest employer . In 1951, the Indian Railways was established by the amalgamation of 42 different railway companies operating in the country, spanning a total of 55,000 km (34,000 mi). The railway network across the country was reorganized into six regional zones in 1951–52 for administrative purposes, which

8840-453: The cargo hauled. There are 243 types of rolling stock used for cargo operations. These include covered wagons , boxcars , flat wagons , flatbeds , open wagons , hoppers , containers , automobile carriers, defense vehicle carriers and tankers . The freight cars can often carry loads from 10 to 80 tonnes per car depending on the configuration. A new wagon numbering system was adopted in Indian Railways in 2003. The requirement of wagons

8976-419: The city houses the state executive and legislative headquarters primarily in the secretariat buildings in Fort St George. Madras High Court is the highest judicial authority in the state, whose jurisdiction extends across Tamil Nadu and Puducherry . The Greater Chennai Police (GCP) is the primary law enforcement agency in the city and is headed by a commissioner of police . The Greater Chennai Police

9112-439: The city through 27 water distribution stations. The city receives 530 million litres per day (mld) of water from Krishna River through Telugu Ganga project and 180 mld of water from the Veeranam lake project. 100 million litres of treated water per day is produced from the Minjur desalination plant, the country's largest seawater desalination plant. Chennai is predicted to face a deficit of 713 mld of water by 2026 as

9248-420: The city to 426 km (164 sq mi), the Chennai Municipal Corporation was renamed as Greater Chennai Corporation and the population including the new city limits as per the 2011 census was 6,748,026. As of 2019 , 40 per cent of the 1.788 million families in the city live below the poverty line . As of 2017 , the city had 2.2 million households, with 40 per cent of the residents not owning

9384-421: The city's economy with more than 40% of total medical tourists visiting India making it to Chennai. The city's water supply and sewage treatment are managed by the Chennai MetroWater Supply and Sewage Board . Water is drawn from Red Hills Lake and Chembarambakkam Lake , the major water reservoirs in the city and treated at water treatment plants located at Kilpauk , Puzhal , Chembarambakkam and supplied to

9520-439: The city. Chennai was the only South Asian city to be ranked among National Geographic 's "Top 10 food cities" in 2015. The economy of Chennai consistently exceeded national average growth rates due to reform-oriented economic policies in the 1970s. With the presence of two major ports, an international airport, and a converging road and rail networks, Chennai is often referred to as the "Gateway of South India". According to

9656-471: The city. Two major rivers flow through Chennai, the Cooum River (or Koovam ) through the centre and the Adyar River to the south. A section of the Buckingham Canal built in 1877-78, runs parallel to the Bay of Bengal coast, linking the two rivers. Kosasthalaiyar River traverses through the northern fringes of the city before draining into the Bay of Bengal, at Ennore Creek . The Otteri Nullah , an east–west stream, runs through north Chennai and meets

9792-488: The country's entire broad gauge rail network by 2023. Post electrification, 30 billion kWh of electricity will be required on an annual basis for Indian Railways. As of 1 August 2024 , Indian Railways has electrified 64,080 km (39,820 mi) or 96.59% of the total broad-gauge route length. Indian Railway uses 25 kV AC traction on all its electrified tracks. India shares land border with multiple countries and have rail-links with some of them. Bangladesh

9928-723: The country. With the history of Chennai dating back centuries, the architecture of Chennai ranges in a wide chronology. The oldest buildings in the city date from the 6th to 8th centuries CE, which include the Kapaleeshwarar Temple in Mylapore and the Parthasarathy Temple in Triplicane , built in the Dravidian architecture encompassing various styles developed during the reigns of different empires. In Dravidian architecture ,

10064-483: The country. It operates luxury tourist trains such as Maharajas' Express , Palace on Wheels , Golden Chariot and Deccan Odyssey , deluxe tourist trains such as Mahaparinirvan Express . It also operates heritage and exhibition trains on special circumstances. In 1986, computerized ticketing and reservations were introduced before which ticketing was done manually. Self-printing ticket machines (SPTM) were introduced in 1988. Centralized computer reservation system

10200-411: The crime rate in the city was 101.2 per hundred thousand people. In 2009, Madras Central Prison , the major prison and one of the oldest in India was demolished with the prisoners moved to the newly constructed Puzhal Central Prison . While the major part of the city falls under three parliamentary constituencies ( Chennai North , Chennai Central and Chennai South ), the Chennai metropolitan area

10336-565: The early 18th century, the Government Museum and the National Art Gallery are amongst the oldest in the country. The museum inside the premises of Fort St. George maintains a collection of objects of the British era. The museum is managed by the Archaeological Survey of India and has in its possession, the first Flag of India hoisted at Fort St George after the declaration of India's Independence on 15 August 1947 . Chennai

10472-517: The early 20th century. Keechaka Vadham , the first film in South India was produced in the city and released in 1917. Gemini and Vijaya Vauhini studios were established in the 1940s, amongst the largest and earliest in the country. Chennai hosts many major film studios, including AVM Productions , the oldest surviving studio in India. Chennai cuisine is predominantly South Indian with rice as its base. Most local restaurants still retain their rural flavour, with many restaurants serving food over

10608-410: The entire YDM-3 fleet was transferred to Sabarmati sometime after 1963. Sabarmati serving the present day Western Railway zone . They hauled passenger trains like Girnar Express , Pink City express, Ashram express . The YDM-3 locomotives had an unusual arrangement for the traction motors. These were mounted longitudinally on the mainframe and drove the wheel-sets through cardan shafts. This required

10744-754: The entire rail network would be electrified by 2023. In March 2020, Indian Railways announced a nationwide shutdown of passenger service to combat the COVID-19 pandemic in India with the freight operations continuing to transport essential goods. The railways resumed passenger services in a phased manner in May 2020. Starting in the 2010s, various infrastructure modernization projects have been undertaken including high-speed rail , redevelopment of 400 stations, doubling tracks to reduce congestion, refurbishing of coaches, Global Positioning System (GPS)-enabled tracking of trains and modernization of locomotives. In 2018,

10880-600: The first metro system and the only system operated by Indian Railways was commissioned. Opened in November 1995, Chennai MRTS became the first operational elevated railway line in India. Indian Railways operates suburban railway systems across the cities of Mumbai (suburban), Chennai (suburban and MRTS), Kolkata (suburban and metro) and Secunderabad (MMTS) covering six railway zones. Indian Railways offers tour packages through IRCTC. It operates tourist trains and coach services on popular tourist circuits in different regions of

11016-578: The first coach manufacturing unit in India. These coaches, manufactured from 1955 to 2018, were largely in use till the early 2010s. From the late 1990s, the ICF coaches were replaced by safer and newer LHB coaches designed by Linke-Hofmann-Busch of Germany . In the late 2010s, Indian railways started upgrading the coaches of select trains from LHB to new Tejas coaches with enhanced features. As of March 2023, Indian Railways' had 84,863 passenger coaches. Coaches are manufactured by five manufacturing units of

11152-681: The first government under C. N. Annadurai in 1967. In 1972, a split in the DMK resulted in the formation of the All India Anna Dravida Munnetra Kazhagam (AIADMK) led by M. G. Ramachandran . The two Dravidian parties continue to dominate electoral politics, the national parties usually aligning as junior partners to the two major Dravidian parties. Many film personalities became politicians and later chief ministers, including C. N. Annadurai, M. Karunanidhi , M. G. Ramachandran, Janaki Ramachandran and Jayalalithaa . Tamil  is

11288-474: The first operational elevated railway line in India. Centralized computer reservation system was deployed in Delhi, Mumbai and Chennai in September 1996, coupon validating machines (CVMs) were introduced at Mumbai CSMT in 1998 and the nationwide concierge system began operation on 18 April 1999. The Indian Railways website went online in February 2000. Indian Railways Catering and Tourism Corporation (IRCTC)

11424-611: The first runs beginning in December 1959 with the WAM-1 locomotives. The first containerized freight rail transport began between Bombay and Ahmedabad in 1966. In 1969, the Government of India announced the introduction of a new express train capable of reaching speeds of up to 120 km/h (75 mph) in the railway budget and the first Rajdhani Express was flagged off from New Delhi to Howrah in March 1969. In 1974, Indian Railways endured

11560-414: The first time in its history. At least 313 people died in 40 train accidents in 2023-24 and 748 people have died in 638 train accidents in the previous ten years. Madras Chennai ( / ˈ tʃ ɛ n aɪ / ; Tamil: [ˈt͡ɕenːaɪ̯] , ISO : Ceṉṉai ), formerly known as Madras , is the capital and largest city of Tamil Nadu , the southernmost state of India . It

11696-644: The first time with the first train flagged off from Coimbatore in June 2022. Indian Railways is a statutory body under the ownership of the Ministry of Railways of the Government of India . It is headed by a four-member Railway Board whose chairman reports to the Ministry of Railways and act on behalf of the ministry. The organisation is divided into separate verticals traction , engineering , traffic , rolling stock , signalling , materials , personnel , RPF , finance , health and safety . Indian Railways

11832-481: The first to introduce electric lighting as standard fixtures. The first railway budget was presented in 1924. On 3 February 1925, the first electric train ran between Bombay and Kurla , hauled by a SLM electric locomotive on DC traction. In 1925, the first Electric Multiple Units (EMU) were introduced in Bombay with 1500 V DC units imported were from Cammell Laird and Uerdingenwagonfabrik . Chennai suburban railway started operating in 1931 with

11968-500: The first trains to reach speeds of up to 120 km/h (75 mph). Shatabdi Express introduced in 1988, are capable of running at a maximum speed of 150 km/h (93 mph). In 2019, Vande Bharat Express was launched with self-propelled EMU train-sets capable of reaching maximum speed of 180 km/h (110 mph) with operational speeds restricted to 130–160 km/h (81–99 mph). A non-airconditioned semi-high speed train-set hauled by two modified WAP-5 locomotives

12104-449: The fleet of other rolling stock is carried out at 212 carriage & wagon repair units and 45 periodic overhaul workshops across various zones of IR. As of 31 March 2023 , Indian railway network spanned 68,584 km (42,616 mi) in route length. With 29,719 km (18,467 mi) of the lines having two or more tracks, total running track length was 106,493 km (66,172 mi), while total trackage (including sidings)

12240-437: The freight pricing/product mix. End-to-end integrated transport solutions such as roll-on, roll-off (RORO) service, a road-rail system pioneered by Konkan Railway in 1999 to carry trucks on flatbed trailers is extended to other routes. As per the Ministry of Railways, there have been more than 38,500 railway accidents from 1961 to 2019. In 2019-20, the Indian Railways reported zero passenger deaths due to accidents for

12376-623: The general or unreserved coaches. Suburban networks also issue unreserved tickets valid for a limited time or season passes with unlimited travel between two stops for a period of time. India has some of the lowest train fares in the world, and lower class passenger fares are subsidised. Discounted fares are applicable for railway employees, senior citizens (over age 60), the differently-abled, students, athletes, patients and those taking competitive examinations. Seats of lower class of accommodation are reserved for women or senior citizens in some trains. The first rail operational in Madras in 1837

12512-456: The government of Tamil Nadu is working on the restoration of the Adyar River. The Environmentalist Foundation of India is a volunteering group working towards wildlife conservation and habitat restoration. A resident of Chennai is called a Chennaite . According to 2011 census , the city had a population of 4,646,732, within an area of 174 km (67 sq mi). Post expansion of

12648-657: The idea conceived in a private meeting after a Theosophical convention held in the city in December 1884. The city has hosted yearly conferences of the Congress seven times, playing a major part in the Indian independence movement . Chennai is also the birthplace of regional political parties such as the South Indian Welfare Association in 1916 which later became the Justice Party and Dravidar Kazhagam . Politics

12784-464: The language spoken by most of Chennai's population; English is largely spoken by white-collar workers . As per the 2011 census, Tamil is the most spoken language with 3,640,389 (78.3%) of speakers followed by Telugu (432,295), Urdu (198,505), Hindi (159,474) and Malayalam (104,994). Madras Bashai is a variety of the Tamil spoken by people in the city. It originated with words introduced from other languages such as English and Telugu on

12920-1362: The letter(s) identifying the berth/seat type and numbers identifying the position. In standard coaches, the berths and seats are classified as follows: Saloon coaches are also available for chartering which are equipped with a bedroom and kitchen and can be attached to normal trains. Indian Railways operates various classes of passenger and express trains. The trains are classified basis average speed and facilities with express trains having fewer halts, priority on rail network and faster average speed. The trains are identified by five digit numbers with train-pairs traveling in opposite directions usually labelled with consecutive numbers. Express trains often have specific unique names for easy identification. In 2018–19, Indian Railways operated 13,523 passenger trains on average daily and carried 8.44 billion passengers. India Railways operates various categories of express trains including Rajdhani Express , Shatabdi Express , Garib Rath Express , Double Decker Express , Tejas Express , Gatimaan Express , Humsafar Express , Duronto Express , Yuva Express , Uday Express , Jan Shatabdi Express , Sampark Kranti Express , Vivek Express , Rajya Rani Express , Mahamana Express , Antyodaya Express , Jan Sadharan Express , Suvidha Express and Intercity Express . Rajdhani Express introduced in 1969 were

13056-403: The minimum essential amenities required by each station. Indian Railways offers various travel classes on its coaches . For the purpose of identification in passenger trains , coaches in a train-set are assigned an alpha-numeric code. The first letter identifies the coach class and the second letter identifies the coach number. The berths and seats are numbered by an alphanumeric code with

13192-487: The monsoon and winter. The southern stretch of Chennai's coast from Tiruvanmiyur to Neelangarai are favoured by the endangered olive ridley sea turtles to lay eggs every winter. Guindy National Park is a protected area within the city limits and wildlife conservation and research activities take place at Arignar Anna Zoological Park . Madras Crocodile Bank Trust is a herpetology research station, located 40 km (25 mi) south of Chennai. The city's tree cover

13328-653: The name was in August 1639 in a sale deed to Francis Day of the East India Company. A land grant was given to the Chennakesava Perumal Temple in Chennapatanam later in 1646, which some scholars argue to be the first use of the name. The name Madras is of native origin, and has been shown to have been in use before the British established a presence in India. A Vijayanagara-era inscription found in 2015

13464-405: The passenger and fare details along with berth or seat number(s) allocated to them on the ticket. In case of no confirmed reservation, a wait-list number is assigned and wait-listed tickets get confirmed if there are cancellations of already reserved tickets. Reservation against cancellation tickets is an intermediate category between the waiting and confirmed lists in sleeper classes which allows

13600-783: The passenger segment with income from the freight business and prioritized passenger trains on the network. Hence, freight services were unable to complete other modes of transport on both cost and speed of delivery, leading to continuous erosion of market share till the early 2000s. To counter this, Indian Railways established the Dedicated Freight Corridor Corporation of India in 2006 to construct dedicated freight corridors to reduce congestion, increase speed and reliability and proposed upgradation of existing goods sheds, attracting private capital to build multi-commodity multi-modal logistics terminals, changing container sizes, operating time-tabled freight trains and tweaking with

13736-449: The planning and development of the Chennai Metropolitan Area , which is spread over an area of 1,189 km (459 sq mi), covering the Chennai district and parts of Tiruvallur , Kanchipuram and Chengalpattu districts. The metropolitan area consists of four municipal corporations , 12 municipalities and other smaller panchayats . As the capital of the state of Tamil Nadu,

13872-412: The population with minorities including Telugus , Marwaris , Gujaratis , Parsis , Sindhis , Odias , Goans , Kannadigas , Anglo-Indians , Bengalis , Punjabis , and Malayalees . The city also has a significant expatriate population. As of 2001 , out of the 2,937,000 migrants in the city, 61.5% were from other parts of the state, 33.8% were from rest of India and 3.7% were from outside

14008-520: The proposal to construct the first railway line in India at Madras was made. In 1835, a railway track was constructed between Red Hills and Chintadripet in Madras and became operational in 1837. It was hauled by a rotary steam engine imported from England and was used for ferrying granite . The Madras Railway was established in 1845 and the Great Indian Peninsular Railway

14144-531: The region. Pallavas of Kanchi became independent rulers of the region from 3rd to 9th century CE and the areas of Mahabalipuram and Pallavaram were built during the reign of Mahendravarman I . In 879, Pallavas were defeated by the Later Cholas led by Aditya I and Jatavarman Sundara Pandyan later brought the region under the Pandya rule in 1264. The region came under the influence of Vijayanagara Empire in

14280-414: The remainder of the batch that had not recently been overhauled followed in the next two years. All 30 were withdrawn. Out of the 25 units built, only one locomotive has been preserved in front of BLW GM office. Source: Automatic water temp. control is provided through thermostatically controlled modulating type by-pass valve. Indian Railways Indian Railways is a statutory body under

14416-515: The route covered by GSM-R based Mobile Train Radio communication. In December 2017, Indian Railways announced that it will implement ETCS Level 2 system for signalling and control on key routes with an investment of ₹ 120 billion (US$ 1.4 billion). As of March 2023, Indian Railways manages and operates 7,308 stations. Prior to 2017, the stations were classified into seven categories based on their earnings. Since 2017, Indian Railways categorizes

14552-436: The route uses automatic block signalling for train operations – concentrated in high density routes, large cities and junctions. Remaining routes are based on absolute block signalling with trains manually controlled by signal men from the signal boxes typically located at stations. Few low density routes still use manual block signalling methods with communication on track clearance based on physical exchange of tokens. In

14688-413: The season with significant flooding in 2015 and 2023 . </ref> A protected estuary on the Adyar River forms a natural habitat for several species of birds and animals. Chennai is also a popular city for birding with more than 130 recorded species of birds have been recorded in the city. Marshy wetlands such as Pallikaranai and inland lakes also host a number of migratory birds during

14824-467: The settlement. The region around Chennai was an important administrative, military, and economic centre for many centuries. During the 1st century CE , Tamil poet named Thiruvalluvar lived in the town of Mylapore , a neighbourhood of present-day Chennai. The region was part of Tondaimandalam which was ruled by the Early Cholas in the 2nd century CE by subduing Kurumbas , the original inhabitants of

14960-466: The shrinkage of water bodies and wetlands. The water bodies have shrunk from an estimated 12.6 km (4.9 sq mi) in 1893 to 3.2 km (1.2 sq mi) in 2017. The number of wetlands in the city has decreased from 650 in 1970 to 27 in 2015. Nearly half of the native plant species in the city's wetlands have disappeared with only 25 per cent of the erstwhile area covered with aquatic plants still viable. The major water bodies including

15096-442: The stations by commercial importance into three different categories namely Non Suburban Group (NSG), Suburban Group (SG) and Halt Group (HG). These are further subdivided into subcategories based on their commercial importance (NSG 1–6, SG 1-3 and from HG 1–3). The commercial importance of a station is determined by taking into account its passenger footfall, earnings and strategic importance and these categories are used to determine

15232-400: The stations. Indian railways removed all unstaffed level crossings by 2019 with staffed level crossings being replaced by bridges. Other safety projects include the extension of an automated fire alarm system to all air-conditioned coaches and GPS-enabled Fog Pilot Assistance System railway signalling devices. In 2020, Indian Railways allowed the operation of private passenger trains for

15368-701: The world. In October 2017, Chennai was added to the UNESCO Creative Cities Network (UCCN) list. It is a major film production centre and home to the Tamil-language film industry . The name Chennai was derived from the name of Chennappa Nayaka , a Nayak ruler who served as a general under Venkata Raya of the Vijayanagara Empire from whom the British East India Company acquired the town in 1639. The first official use of

15504-599: The year 1963–64. While YDM-3 was 13 ton lighter than the YDM-4, Indian Railways opted for the ALCO design. The YDM-4 was considered over the YDM-3 model because of these reasons. These locomotives are designed for mixed traffic operation. The initial fleet of YDM-3 locomotives were allocated and homed at the diesel locomotive shed in Siliguri and were tested extensively on the Northeast Frontier Railway zone ( NFR ). Then

15640-476: The year is in December–January, with average temperature of 19–25 °C (66–77 °F) and the lowest recorded temperature of 13.9 °C (57.0 °F) on 11 December 1895 and 29 January 1905. Chennai receives most of its rainfall from the northeast monsoon between October and December while smaller amounts of rain come from the southwest monsoon between June and September. The average annual rainfall

15776-537: Was 132,310 km (82,210 mi). Track sections are rated for speeds ranging from 80 to 200 km/h (50 to 124 mph), though the maximum speed attained by passenger trains is 160 km/h (99 mph). The network was built with a variety of gauges , including 1,676 mm ( 5 ft 6 in ) broad gauge , 1,000 mm ( 3 ft  3 + 3 ⁄ 8  in ) metre gauge metre gauge and 762 mm ( 2 ft 6 in ) and 610 mm ( 2 ft ) narrow gauge ; but

15912-402: Was dated to the year 1367 and mentions the port of Mādarasanpattanam, along with other small ports on the east coast, and it was theorized that the aforementioned port is the fishing port of Royapuram . Madras might have been derived from Madraspattinam, a fishing village north of Fort St. George but it is uncertain whether the name was in use before the arrival of Europeans. In July 1996,

16048-556: Was deployed in September 1996. The ticketing network at stations is computerized with the exception of few stations. The Indian Railways website went online in February 2000 and online ticketing was introduced on 3 August 2002 through IRCTC. Indian Railways now provides multiple channels for passengers to book tickets through website , smartphone apps , SMS , rail reservation counters at train stations, or through private ticket booking counters. Reserved tickets may be booked up to 60 days in advance and confirmed reservation tickets will show

16184-469: Was established on 21 June 1683 followed by first commercial banks such as Bank of Hindustan (1770) and General Bank of India (1786). Bank of Madras merged with two other presidency banks to form Imperial Bank of India in 1921 which in 1955 became the State Bank of India , the largest bank in India. Chennai is the headquarters of nationalized banks Indian Bank and Indian Overseas Bank . Chennai hosts

16320-400: Was expanded from 174 km (67 sq mi) to an area of 426 km (164 sq mi), divided into three regions North, South and Central covering 200 wards . The corporation is headed by a mayor , elected by the councillors , who are elected through a popular vote by the residents. The Chennai Metropolitan Development Authority (CMDA) is the nodal agency responsible for

16456-569: Was extended to Kalyan in May 1854. Eastern India's first passenger train ran 39 km (24 mi) from Howrah , near Kolkata , to Hoogly on 15 August 1854. The construction on the first main line in the South between Royapuram in Madras and Arcot started in 1853, which became operational on 1 July 1856. On 24 February 1873, a horse-drawn 3.8 km (2.4 mi) tram opened in Calcutta between Sealdah and Armenian Ghat street. On 9 May 1874,

16592-477: Was fabricated by North British Locomotive Company in 1954. The first locomotive manufacturing unit at Chittaranjan was commissioned in 1950. The first rail coaches were manufactured in India from 1956 when the Integral Coach Factory was established at Madras. In 1956, the first air-conditioned train plied between Howrah and New Delhi . In 1957, Indian Railways adopted 25 kV AC traction with

16728-1160: Was gradually expanded to 18 zones over the years. The first steam operated railway operated in 1837 in Madras with the first passenger operating in 1853 between Bombay and Thane . In 1925, the first electric train ran in Bombay on DC traction. The first locomotive manufacturing unit was commissioned in 1950 at Chittaranjan with the first coach manufacturing unit set-up at Madras in 1955. Indian Railways runs various classes of express , passengers and suburban trains. In 2018–19, it operated 13,523 trains on average daily covering 7,325 stations and carried 8.44 billion passengers. Indian Railways also operates different classes of rail freight transport . In 2022–23, it operated 8,479 trains on average daily and transported 1418.1 million tonnes of freight . Indian Railways operates multiple classes of rolling stock , manufactured by self-owned coach-production facilities. As of March 2023 , Indian Railways' rolling stock consisted of 318,196 freight wagons and 84,863 passenger coaches . As of December 2023 , Indian Railways had 10,238 electric and 4,543 diesel locomotives amongst others. In 1832

16864-575: Was incorporated in 1849. Temporary railway lines were built such as the railway line at Dowleswaram built at by Arthur Cotton to supply stone for the construction of a dam over the Godavari River in 1845 and the Solani aqueduct railway, built by Proby Cautley in Roorkee to transport construction materials for an aqueduct over the Solani river in 1851. In 1852, a steam locomotive imported from England

17000-562: Was incorporated in 1999 and online ticketing was introduced on 3 August 2002 through IRCTC. In 2015, the first Compressed Natural Gas (CNG) powered trains were rolled out. Since 1925, the Railway budget was presented before the Union budget till 2016. The central government approved the merger of the Rail and General budgets from 2017. On 31 March 2017, Indian Railways announced a target of electrifying

17136-461: Was introduced on the suburban of Bombay by the Bombay, Baroda and Central India Railway between Colaba and Borivili and between Madras beach and Tambaram by the Madras and Southern Mahratta Railway in 1931. In 1957, Indian Railways decided to adopt 25 kV AC as its standard. The first 25 kV AC EMUs operated in Calcutta in 1962 and Madras in 1968. In 2017, Indian Railways announced a plan to electrify

17272-542: Was launched as Amrit Bharat Express . A high-speed rail line is under-construction between Mumbai and Ahmedabad which will become the first true high-speed rail line when completed in 2026. Mountain Railways of India refer to three rail lines operated by Indian Railways in hilly terrain . Darjeeling Himalayan Railway , a 610 mm ( 2 ft ) narrow-gauge railway in the Lesser Himalayas of West Bengal

17408-524: Was made the winter capital of the Madras Presidency , a colonial province of the British Raj in the Indian subcontinent . After India gained independence in 1947, Madras continued as the capital city of the Madras State and present-day Tamil Nadu. The city was officially renamed as Chennai in 1996. The city is coterminous with Chennai district , which together with the adjoining suburbs constitutes

17544-539: Was opened in 1881. The mountain railways were designated as World Heritage Sites in 1999. The Kalka-Shimla Railway , a 762 mm ( 2 ft 6 in ) narrow-gauge railway in the Siwalik Hills of Himachal Pradesh started operating in 1903. The Nilgiri Mountain Railway , a 1,000 mm ( 3 ft  3 + 3 ⁄ 8  in ) metre gauge rack railway in the Nilgiri Hills of Tamil Nadu

17680-458: Was opened in 1908 and is the only operational rack railway in India. These railways operate with its own dedicated fleet of locomotives and coaches. The first suburban electric trains were introduced in Bombay in 1925. Chennai suburban lines started operating in 1931 and Kolkata in 1957. Later, AC traction was adopted for suburban lines and are currently operated by Multiple Units (MUs) of various configurations. In 1984, Kolkata Metro ,

17816-601: Was previously met by Bharat wagon and engineering with the procurement and manufacturing now done by both in public and private sector. Apart from standard passenger classes, the Indian Railways has other specialized coach types used for dedicated functions. These include accident relief medical vans, brake vans, generator cars, inspection carriages, military cars, pantry car and parcel vans. These may be dedicated self-propelled units or attached to train-sets. Indian Railways operates various manufacturing units. Chittaranjan Locomotive Works (CLW), commissioned in 1950,

17952-479: Was rolled out from ICF. Locomotives are manufactured by five owned manufacturing units of the Indian Railways and BHEL . As of 2021 , 37% of the trains are operated by diesel locomotives and rest mostly by electric locomotives. As of December 2023 , Indian Railways had 10,238 electric and 4,543 diesel locomotives amongst others. The early rail coaches were based on a prototype by a Swiss company and were termed as ICF coaches after Integral coach factory (ICF),

18088-846: Was the first locomotive manufacturing unit in India. The first rail coache manufacturing unit, the Integral Coach Factory (ICF) was established at Madras in 1956. Banaras Locomotive Works (BLW), commissioned in 1961, is the second locomotive manufacturing unit operated by Indian Railways. BHEL, Patiala Locomotive Works , Diesel Locomotive Factory, Marhowrah and Electric Locomotive Factory, Madhepura also manufacture locomotives in India. Railway coaches are also manufactured at coach factories at Karputhala , Raebareli , Sonipat and Latur . Indian Railways also operates three rail wheel manufacturing factories at Bangalore , Chhpra and Raebareli. The locomotives are operated and maintained by 44 locomotive sheds. The repair and maintenance of

18224-560: Was then formerly a fishing village known as "Madraspatnam". A year later, the company built Fort St. George , the first major English settlement in India, which became the nucleus of the growing colonial city and urban Chennai. In 1746, Fort St. George and the town were captured by the French under General La Bourdonnais , the Governor of Mauritius , who plundered the town and its outlying villages. The British regained control in 1749 through

18360-559: Was tried at Byculla . In 1853, the first passenger train on 1,676 mm ( 5 ft 6 in ) broad gauge ran for 34 kilometres (21 mi) between Bombay and Thane which had 14-carriages carrying 400 people, hauled by three steam locomotives: the Sahib, Sindh and Sultan. The Thane viaducts, the first railway bridges , were built over the Thane creek when the Mumbai-Thane line

18496-555: Was used for ferrying granite. The first dedicated commercial freight rail was operated between Bombay and Ahmedabad in 1966. Indian Railways ferries various commodities and cargo to cater to various industrial, consumer, and agricultural segments. Apart from dedicated freight trains, parcels , mail and small cargo are carried on specialized carriages attached to passenger trains. In 2022–23, Indian Railways operated 8,479 trains on average daily and transported 1418.1 million tonnes of freight. Indian Railways has historically subsidized

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