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106-501: Hirakud Dam is built across the Mahanadi River , about 10 kilometres (6.2 mi) from Sambalpur in the state of Odisha in India. It is the longest earthen dam in the world. Behind the dam extends a lake, Hirakud Reservoir , 55 km (34 mi) long. It is one of the first major multipurpose river valley projects started after India's independence . Hirakud Reservoir was declared

212-625: A British invasion in 1803 but successfully retaliated. The First Kandyan War ended in a stalemate. By then the entire coastal area was under the British East India Company as a result of the Treaty of Amiens . On 14 February 1815, Kandy was occupied by the British in the Second Kandyan War , ending Sri Lanka's independence. Sri Vikrama Rajasinha, the last native monarch of Sri Lanka,

318-535: A Pāḷi chronicle written in the 5th century CE, the original inhabitants of Sri Lanka are said to be the Yakshas and Nagas . Sinhalese history traditionally starts in 543 BCE with the arrival of Prince Vijaya , a semi-legendary prince who sailed with 700 followers to Sri Lanka, after being expelled from Vanga kingdom (present-day Bengal ). He established the Kingdom of Tambapanni , near modern-day Mannar . Vijaya (Singha)

424-556: A Ramsar site on 12 October 2021. On 15 March 1946, Sir Hawthorne Lewis , the Governor of Odisha, laid the foundation stone of the Hirakud Dam. A project report was submitted to the government in June 1947. Pandit Jawaharlal Nehru laid the first batch of concrete on 12 April 1948. In 1952, Mazumdar Committee was appointed by the government to oversee the soundness and technical feasibility of

530-717: A bhikkhu and the son of the Mauryan Emperor Ashoka arrived in Mihintale carrying the message of Buddhism. His mission won over the monarch, who embraced the faith and propagated it throughout the Sinhalese population . Succeeding kingdoms of Sri Lanka would maintain many Buddhist schools and monasteries and support the propagation of Buddhism into other countries in Southeast Asia. Sri Lankan Bhikkhus studied in India's famous ancient Buddhist University of Nalanda , which

636-430: A severe economic crisis occurred caused by rapidly increasing foreign debt, massive government budget deficits due to tax cuts, falling foreign remittances, a food crisis caused by mandatory organic farming along with a ban on chemical fertilizers, and a multitude of other factors. The Sri Lankan Government officially declared the ongoing crisis to be the worst economic crisis in the country in 73 years. In August 2021,

742-417: A 24,000 strong army. Unlike previous invaders, he looted , ransacked and destroyed everything in the ancient Anuradhapura and Polonnaruwa Kingdoms beyond recovery. His priorities in ruling were to extract as much as possible from the land and overturn as many of the traditions of Rajarata as possible. His reign saw the massive migration of native Sinhalese people to the south and west of Sri Lanka, and into

848-612: A dense patch of forest, south of Sihawa town in Dhamtari district of Chhattisgarh . The hills here are an extension of the Eastern Ghats and are a source of many other streams which then go on to join the Mahanadi. For the first 100 kilometres (62 mi) of its course, the Mahanadi flows in a northerly direction and drains the Raipur district and touches eastern portions of Raipur city. It

954-463: A fledgling Tamil militancy in the north during the 1970s. The policy of standardisation by the Sirimavo government to rectify disparities created in university enrolment, which was in essence an affirmative action to assist geographically disadvantaged students to obtain tertiary education, resulted in reducing the proportion of Tamil students at university level and acted as the immediate catalyst for

1060-505: A food emergency was declared. In June 2022, Prime Minister Ranil Wickremesinghe declared the collapse of the Sri Lankan economy in parliament. The crisis resulted in Sri Lanka defaulting on its $ 51 billion sovereign debt for the first time in its history, along with double-digit inflation, a crippling energy crisis that led to approximately 15 hour power cuts, severe fuel shortages leading to

1166-451: A large part of coastal Odisha. But, the construction of the dam greatly affected the natives of the western part of Odisha. Nearly 150,000 people were affected by the Hirakud project and nearly 22,000 families were displaced. In the original estimate, an amount of ₹ 120 million (equivalent to ₹ 14 billion or US$ 160 million in 2023) was provided for payment of compensation to

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1272-426: A result of the depression of 1847 stalled economic development and prompted the governor to introduce a series of taxes on firearms, dogs, shops, boats, etc., and to reintroduce a form of rajakariya , requiring six days free labour on roads or payment of a cash equivalent. These harsh measures antagonised the locals, and another rebellion broke out in 1848. A devastating leaf disease, Hemileia vastatrix , struck

1378-610: A shoreline of over 675 kilometres (419 mi). After the formation of Chhattisgarh State, the major portion of Mahanadi basin now lies in Chhattisgarh. Presently, only 169 square kilometres (65 sq mi) basin area of Hasdeo River in Anuppur District lies in Madhya Pradesh . Before the construction of the dam in 1953, the Mahanadi was about a mile wide at Sambalpur and carried massive amounts of silt, especially during

1484-465: A substantial storage quantity of over 5.4 km would be created on completion of projects under construction. Additional storage to the tune of over 11.0 km would become available on execution of projects under consideration. The hydropower potential of the basin has been assessed as 627 MW at 60% load factor. At its peak during the monsoon, the Mahanadi has a discharge rate of 2,000,000 cubic feet (57,000 m ) per second, almost as much as

1590-492: A variety of names. According to the Mahāvaṃsa , the legendary Prince Vijaya named the island Tambapaṇṇĩ (" copper-red hands" or "copper-red earth"), because his followers' hands were reddened by the red soil of the area where he landed. In Hindu mythology , the term Lankā ("Island") appears but it is unknown whether it refers to the modern-day state. The Tamil term Eelam ( Tamil : ஈழம் , romanized:  īḻam )

1696-557: Is Pidurutalagala , reaching 2,524 metres (8,281 ft) above sea level. Sri Lanka has 103 rivers. The longest of these is the Mahaweli River , extending 335 kilometres (208 mi). These waterways give rise to 51 natural waterfalls of 10 metres (33 ft) or more. The highest is Bambarakanda Falls , with a height of 263 metres (863 ft). Sri Lanka's coastline is 1,585 km (985 mi) long. Sri Lanka claims an exclusive economic zone extending 200 nautical miles , which

1802-526: Is a compound of the Sanskrit words maha ("great") and nadi ("river"). In different era Like many other seasonal Indian rivers, the Mahanadi too is a combination of many mountain streams and thus its precise source is impossible to pinpoint. However its farthest headwaters lie 6 kilometres (3.7 mi) from Pharsiya village in Nagri Sihawa 442 metres (1,450 ft) above sea level about 11 km, in

1908-498: Is a rather narrow river at this stage and the total width of its valley does not exceed 500–600 metres. After being joined by the Shivnath , the river flows in an easterly direction through the remaining part of its journey. It is joined by the Jonk and Hasdeo rivers here before entering into Odisha after covering about half of its total length. Near the city of Sambalpur , it is dammed by

2014-438: Is approximately 6.7 times Sri Lanka's land area. The coastline and adjacent waters support highly productive marine ecosystems such as fringing coral reefs and shallow beds of coastal and estuarine seagrasses . Sri Lanka has 45 estuaries and 40 lagoons . Sri Lanka's mangrove ecosystem spans over 7,000 hectares and played a vital role in buffering the force of the waves in the 2004 Indian Ocean tsunami . The island

2120-518: Is believed to be the Padmaseni temple of submerged Padmapur village. The temples located inside the reservoir area were part of the then Padmapur, one of the oldest and most populous in the region prior to the dam construction. More than 200 temples were submerged by the dam, nearly 150 temples have either perished or are underwater and about 50 are visible during summer. The lost temples present excellent opportunities for scuba diving enthusiasts to explore

2226-442: Is closer by 10 km (6.2 mi) via the river. The island is a submerged hill, and before the construction of Hirakud Dam it was a developed village. During the resettlement period, villagers left some of their cattle behind; when the dam construction was over, the cattle settled on the hilltop. With the passage of time the nearby area filled up with the reservoir water, turning the hilltop into an island. Being away from mankind,

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2332-433: Is considered the oldest human-planted tree (with a continuous historical record) in the world. ( Bodhivaṃsa ) Sri Lanka experienced the first of many foreign invasions during the reign of Suratissa , who was defeated by two horse traders named Sena and Guttika from South India. The next invasion came immediately in 205 BCE by a Chola named Elara , who overthrew Asela and ruled the country for 44 years. Dutugamunu ,

2438-481: Is located at the base (toe) of the main dam section and contains 3 x 37.5 MW Kaplan turbine and 2 x 24 MW Francis turbine generators for an installed capacity of 259.5 MW. Power Station II is located 19 km (12 mi) southeast of the dam 21°21′10″N 83°55′00″E  /  21.35278°N 83.91667°E  / 21.35278; 83.91667  ( Chipilima Power House II ) at Chipilima. It contains 3 x 24 MW generators. The entire installed capacity of

2544-543: Is memorable for two major campaigns – in the south of India as part of a Pandyan war of succession, and a punitive strike against the kings of Ramanna ( Burma ) for various perceived insults to Sri Lanka. After his demise, Sri Lanka gradually decayed in power. In 1215, Kalinga Magha , an invader with uncertain origins, identified as the founder of the Jaffna kingdom, invaded and captured the Kingdom of Polonnaruwa . He sailed from Kalinga 690 nautical miles on 100 large ships with

2650-673: Is mostly inhabited by fishermen, whose deity Ghanteswari is revered in the neighboring area. The state livestock breeding farm and agricultural farm are located here. Hirakud Dam has three canals, namely Bargarh Main Canal , Sason Canal and Sambalpur Canal. Bargarh Main canal has a water discharge rate of 4,000 cubic feet per second (110 m/s). Water from Hirakud Dam at a later stage was allocated to various industries, primarily for mineral processing and coal fired thermal power plants in Jharsuguda and Sambalpur districts. Statistics published by

2756-639: Is the first of the approximately 189 monarchs of Sri Lanka described in chronicles such as the Dīpavaṃsa , Mahāvaṃsa , Cūḷavaṃsa , and Rājāvaliya . Once Prakrit speakers had attained dominance on the island, the Mahāvaṃsa further recounts the later migration of royal brides and service castes from the Tamil Pandya kingdom to the Anuradhapura kingdom in the early historic period. The Anuradhapura period (377 BCE – 1017 CE) began with

2862-740: Is the highest-ranked South Asian nation in terms of development and has the second-highest per capita income in South Asia. The country has had a long history of engagement with modern international groups; it is a founding member of the SAARC , the G77 and the Non-Aligned Movement , as well as a member of the United Nations and the Commonwealth of Nations . In antiquity, Sri Lanka was known to travellers by

2968-462: Is usable water. Culturable area in the basin is about 80,000 square kilometres (31,000 sq mi), which is 4% of the total culturable area of the country. Present use of surface water in the basin is 17.0 km . Live storage capacity in the basin has increased significantly since independence. From just about 0.8 km in the pre-plan period, the total live storage capacity of the completed projects has increased to 8.5 km . In addition,

3074-705: The Ceylon Civil Service and the legal, educational, engineering, and medical professions with natives. New leaders represented the various ethnic groups of the population in the Ceylon Legislative Council on a communal basis. Buddhist and Hindu revivalism reacted against Christian missionary activities. The first two decades in the 20th century are noted by the unique harmony among Sinhalese and Tamil political leadership, which has since been lost. The 1906 malaria outbreak in Ceylon actually started in

3180-730: The Cuttack district from west to east. Just before entering Cuttack, it gives off a large distributary called the Kathjori . The city of Cuttack stands on the spit separating the two channels. The Kathjori then throws off many streams like the Kuakhai , Devi and Surua which fall into the Bay of Bengal after entering the Puri district . The Kathjori itself falls into the sea as the Jotdar. Other distributaries of Mahanadi include

3286-518: The Granary of the East , Sri Lanka's geographic location and deep harbours have made it of great strategic importance, from the earliest days of the ancient Silk Road trade route to today's so-called maritime Silk Road . Because its location made it a major trading hub, it was already known to both East Asians and Europeans as long ago as the Anuradhapura period . During a period of great political crisis in

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3392-690: The Indian Plate , a major tectonic plate that was formerly part of the Indo-Australian Plate . It is in the Indian Ocean southwest of the Bay of Bengal , between latitudes 5° and 10° N , and longitudes 79° and 82° E . Sri Lanka is separated from the mainland portion of the Indian subcontinent by the Gulf of Mannar and Palk Strait . According to Hindu mythology , a land bridge existed between

3498-725: The Kingdom of Kotte , the Portuguese arrived in Sri Lanka and sought to control its maritime trade, with a part of Sri Lanka subsequently becoming a Portuguese possession . After the Sinhalese–Portuguese War , the Dutch colonial empire and the Kingdom of Kandy took control of those areas. Dutch Ceylon was taken by the British Empire , which extended control over the whole island, colonising it as British Ceylon from 1815 to 1948. A national movement for political independence arose in

3604-563: The Moors , Indian Tamils , Burghers , Malays , Chinese , and Vedda . Sri Lanka's documented history goes back 3,000 years, with evidence of prehistoric human settlements dating back 125,000 years. The earliest known Buddhist writings of Sri Lanka , known collectively as the Pali Canon , date to the fourth Buddhist council , which took place in 29 BCE. Also called the Pearl of the Indian Ocean , or

3710-752: The Palaeolithic , Mesolithic , and early Iron Ages . Among the Paleolithic human settlements discovered in Sri Lanka, Pahiyangala (37,000 BP), named after the Chinese traveller monk Faxian ; Batadombalena (28,500 BP); and Belilena (12,000 BP) are the most important. In these caves, archaeologists have found the remains of anatomically modern humans which they have named Balangoda Man , and other evidence suggesting that they may have engaged in agriculture and kept domestic dogs for driving game. The earliest inhabitants of Sri Lanka were probably ancestors of

3816-660: The Portuguese , the independent existence of the Jaffna kingdom came to an end. During the reign of the Rajasinha II , Dutch explorers arrived on the island. In 1638, the king signed a treaty with the Dutch East India Company to get rid of the Portuguese who ruled most of the coastal areas. The following Dutch–Portuguese War resulted in a Dutch victory, with Colombo falling into Dutch hands by 1656. The Dutch remained in

3922-573: The Sinhalese —to Kandy and built the Temple of the Tooth . In spite of on-going intermittent warfare with Europeans, the kingdom survived. Later, a crisis of succession emerged in Kandy upon king Vira Narendra Sinha 's death in 1739. He was married to a Telugu -speaking Nayakkar princess from South India ( Madurai ) and was childless by her. Eventually, with the support of bhikkhu Weliwita Sarankara and ignoring

4028-453: The Vedda people , an indigenous people numbering approximately 2,500 living in modern-day Sri Lanka. During the protohistoric period (1000–500 BCE) Sri Lanka was culturally united with southern India, and shared the same megalithic burials, pottery , iron technology, farming techniques and megalithic graffiti . This cultural complex spread from southern India along with Dravidian clans such as

4134-551: The Velir , prior to the migration of Prakrit speakers. One of the first written references to the island is found in the Indian epic Ramayana , which provides details of a kingdom named Lanka that was created by the divine sculptor Vishvakarma for Kubera , the God of Wealth. It is said that Kubera was overthrown by his rakshasa stepbrother, Ravana . According to the Mahāvaṃsa ,

4240-502: The monsoon . Today, it is a rather tame river after the construction of the dam and is joined by the Ib, Ong, Tel and other minor streams. It then skirts the boundaries of the Baudh district and forces a tortuous way between ridges and ledges in a series of rapids until it reaches Dholpur, Odisha . The rapids end here and the river rolls towards the Eastern Ghats , forcing its way through them via

4346-467: The 64 kilometres (40 mi) long Satkosia Gorge . The Satakosia Gorge ends at Badamul of Nayagarh. Dense forests cover the hills flanking the river here. The river enters the Odisha plains at Naraj, about 14 kilometres (8.7 mi) from Cuttack , where it pours down between two hills that are a mile apart. A barrage has been constructed here to regulate the river's flow into Cuttack . The river traverses

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4452-502: The Congress lost momentum towards the mid-1920s. The Donoughmore reforms of 1931 repudiated the communal representation and introduced universal adult franchise (the franchise stood at 4% before the reforms). This step was strongly criticised by the Tamil political leadership, who realised that they would be reduced to a minority in the newly created State Council of Ceylon , which succeeded

4558-533: The IPKF in 1990. In October 1990, the LTTE expelled Sri Lankan Moors (Muslims by religion) from northern Sri Lanka. In 2002, the Sri Lankan government and LTTE signed a Norwegian-mediated ceasefire agreement. The 2004 Asian tsunami killed over 30,000 and displaced over 500,000 people in Sri Lanka. From 1985 to 2006, the Sri Lankan government and Tamil insurgents held four rounds of peace talks without success. Both LTTE and

4664-427: The Indian mainland and Sri Lanka. It now amounts to only a chain of limestone shoals remaining above sea level . Legends claim that it was passable on foot up to 1480 CE, until cyclones deepened the channel. Portions are still as shallow as 1 metre (3 ft), hindering navigation. The island consists mostly of flat to rolling coastal plains, with mountains rising only in the south-central part. The highest point

4770-567: The Mahanadi River, centered on the Chhattisgarh Plain, periodic droughts contrast with the situation in the lower delta region where floods may damage crops. The dam was constructed to help alleviate these problems by creating a reservoir and controlling river flow through the drainage system. The dam regulates the flow of the Mahanadi River and produces hydroelectricity through several hydroelectric plants. The dam helps control floods in

4876-418: The Mahanadi delta and irrigates 75,000 km (19 × 10 ^ acres) of land. Hydroelectricity is also generated. The Hirakud Dam regulates 83,400 km (20.6 × 10 ^ acres) of Mahanadi's drainage. The reservoir has a storage capacity of 5.818 km (1.396 cu mi) with gross of 8.136 km (1.952 cu mi). It drains an area of 133,090 km (32.89 × 10 ^ acres), more than twice

4982-570: The Netherlands might deliver Sri Lanka to the French, the British Empire occupied the coastal areas of the island (which they called the colony of British Ceylon ) with little difficulty in 1796. Two years later, in 1798, Sri Rajadhi Rajasinha , third of the four Nayakkar kings of Sri Lanka, died of a fever. Following his death, a nephew of Rajadhi Rajasinha, eighteen-year-old Kannasamy, was crowned. The young king, now named Sri Vikrama Rajasinha , faced

5088-607: The Paika, Birupa River , Chitroptala river , Genguti and Lun. The Birupa then goes on to join the Brahmani River at Krushnanagar and enters the Bay of Bengal at Dhamra. The Mahanadi proper enters the sea via several channels near Paradeep at False Point , Jagatsinghpur . The combined delta of the Mahanadi's numerous distributaries and the Brahmani is one of the largest in India. Prior to

5194-460: The affected people. After revision, the amount was reduced to ₹ 95 million (equivalent to ₹ 11 billion or US$ 130 million in 2023) and the total compensation paid to the people was, in reality, only ₹ 33.2 million (equivalent to ₹ 3.8 billion or US$ 45 million in 2023). A large number of families were evacuated from their hearth and homes without compensation from 1956 onwards. A commemorative stamp on Hirakud Dam

5300-431: The area of Sri Lanka . The project provides 1,556 km (384,000 acres) of kharif and 1,084 km (268,000 acres) of rabi irrigation in districts of Sambalpur, Bargarh , Bolangir , and Subarnpur. The water released by the power plant irrigates another 4,360 km (1.08 × 10 ^ acres) of CCA in Mahanadi delta. The dam can generate up to 307.5 MW of electrical power through its two power plants at Burla, on

5406-468: The areas they had captured, thereby violating the treaty they had signed in 1638. The Burgher people , a distinct ethnic group, emerged as a result of intermingling between the Dutch and native Sri Lankans in this period. The Kingdom of Kandy was the last independent monarchy of Sri Lanka. In 1595, Vimaladharmasurya brought the sacred Tooth Relic —the traditional symbol of royal and religious authority amongst

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5512-464: The arrival of Portuguese soldier and explorer Lourenço de Almeida , the son of Francisco de Almeida , in 1505. In 1517, the Portuguese built a fort at the port city of Colombo and gradually extended their control over the coastal areas. In 1592, after decades of intermittent warfare with the Portuguese, Vimaladharmasuriya I moved his kingdom to the inland city of Kandy , a location he thought more secure from attack. In 1619, succumbing to attacks by

5618-482: The biggest artificial lake in India , with a reservoir holding 743 km (287 sq mi) at full capacity, with a shoreline of over 639 km (397 mi). There are two observation towers on the dam one at each side. One is "Gandhi Minar" and the other one is"Jawahar Minar". Both the observation towers present extensive views of the lake. The dam supports two different hydroelectric power houses. Power House I

5724-478: The bill posed a grave concern for the Tamil community, which perceived in it a threat to their language and culture. The Federal Party (FP) launched a movement of non-violent resistance ( satyagraha ) against the bill, which prompted Bandaranaike to reach an agreement ( Bandaranaike–Chelvanayakam Pact ) with S. J. V. Chelvanayakam , leader of the FP, to resolve the looming ethnic conflict. The pact proved ineffective in

5830-423: The cattle are now wild, very swift and not easily caught. Living on a hilltop with dense forest, they are larger than tame cattle, and almost all are white in color. Nearby residents attempt to capture these animals from time to time, but these hunts are rarely successful. Though descended from tame cattle, these animals provide a contrasting picture of this breed of animal returning to life in the wild. The dam with

5936-434: The channel provides an ideal environment for the wildlife. The Debrigarh wildlife sanctuary is located here. Several species of migratory birds visit the reservoir during winter. Nearly 20-25 species of birds are seen in the reservoir and common among them are common pochard , red-crested pochard , great crested grebe and several others. The main purpose of the Hirakud Dam was to check the massive floods that were affecting

6042-443: The coffee plantations in 1869, destroying the entire industry within fifteen years. The British quickly found a replacement: abandoning coffee, they began cultivating tea instead. Tea production in Sri Lanka thrived in the following decades. Large-scale rubber plantations began in the early 20th century. By the end of the 19th century, a new educated social class transcending race and caste arose through British attempts to staff

6148-414: The conquest led by king Parâkramabâhu VI 's adopted son, Prince Sapumal . He ruled the North from 1450 to 1467 CE. The next three centuries starting from 1215 were marked by kaleidoscopically shifting collections of capitals in south and central Sri Lanka, including Dambadeniya, Yapahuwa , Gampola , Raigama , Kotte , Sitawaka , and finally, Kandy . In 1247, the Malay kingdom of Tambralinga which

6254-399: The construction of Hirakud Dam, the Mahanadi was navigable from its mouth up to Arrang , about 250 kilometres (160 mi) from its source. However numerous barrages apart from the Hirakud have put an end to that. Today, boats are restricted to the delta region and the Hirakud reservoir. Fresh water crocodiles, Ganges and Bull sharks frequent Mahanadi. The Mahanadi is an important river in

6360-422: The country based on the rule of law and amalgamated the Kandyan and maritime provinces as a single unit of government. An executive council and a legislative council were established, later becoming the foundation of a representative legislature. By this time, experiments with coffee plantations were largely successful. Soon, coffee became the primary commodity export of Sri Lanka. Falling coffee prices as

6466-399: The country for the first time in over a century. Upon his request, ordained monks were sent from Burma to Sri Lanka to re-establish Buddhism, which had almost disappeared from the country during the Chola reign. During the medieval period, Sri Lanka was divided into three sub-territories, namely, Ruhunu , Pihiti and Maya . Sri Lanka's irrigation system was extensively expanded during

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6572-485: The course of the 26 year long conflict. 2019 Sri Lanka Easter bombings carried out by the terrorist group National Thowheeth Jama'ath on 21 April 2019 resulted in the brutal death of 261 innocent people. On 26 April 2019 an anti terrorist operation was carried out against the National Thowheeth Jama'ath by the Sri Lanka Army with the operation being successful and National Thowheeth Jama'ath's insurgency ending. Economic troubles in Sri Lanka began in 2019, when

6678-420: The dam authority show the water holding capacity of the dam has been reduced by 24% due to siltation. A major conflict for water was reported when over 30,000 farmers gathered around the dam making a human chain, protesting against the allocation of water to the industries and there being no water for the canal system due to a low water level. There have been plans for inter-basin water transfer, as per plans of

6784-411: The dam's power houses is 347.5 MW. Power House I and II were built in three stages. During stage I, four generators were installed at PH I and in stage II, the power channel two and Power House II was constructed. All three generators were installed at PH II along with two more at PH I by 1963. Between 1982 and 1990, the seventh and final generator was installed at PH I. In the upper drainage basin of

6890-434: The dam's right bank and Chiplima, 22 km (14 mi) downstream from the dam. In addition, the project provides flood protection to 9,500 km (2.3 × 10 ^ acres) of delta area in district of Cuttack and Puri . Chiplima has gained prominence as the second hydroelectric project of the Hirakud Dam. A natural fall of 80 to 120 ft (24 to 37 m) in the river Mahanadi is used to generate electricity. The place

6996-543: The danger of not writing it down so that even if some of the monks whose duty it was to study and remember parts of the Canon for later generations died, the teachings would not be lost. After the council, palm-leaf manuscripts containing the completed Canon were taken to other countries such as Burma , Thailand , Cambodia and Laos . Sri Lanka was the first Asian country known to have a female ruler: Anula of Anuradhapura (r. 47–42 BCE). Sri Lankan monarchs undertook some remarkable construction projects such as Sigiriya ,

7102-453: The early 1900s, but the first case was documented in 1906. In 1919, major Sinhalese and Tamil political organisations united to form the Ceylon National Congress, under the leadership of Ponnambalam Arunachalam , pressing colonial masters for more constitutional reforms. But without massive popular support, and with the governor's encouragement for "communal representation" by creating a "Colombo seat" that dangled between Sinhalese and Tamils,

7208-412: The early 20th century, and 1948, Ceylon became a dominion . It was succeeded by the republic of Sri Lanka in 1972. Sri Lanka's more recent history was marred by the 26-year Sri Lankan Civil War , which began in 1983 and ended in 2009, when the Sri Lanka Armed Forces defeated the Liberation Tigers of Tamil Eelam . Sri Lanka is a developing country , ranking 78th on the Human Development Index . It

7314-449: The eldest son of the southern regional sub-king, Kavan Tissa , defeated Elara in the Battle of Vijithapura . During its two and a half millennia of existence, the Sinhala kingdom was invaded at least eight times by neighbouring South Indian dynasties such as the Chola , Pandya , and Pallava . There also were incursions by the kingdoms of Kalinga (modern Odisha ) and from the Malay Peninsula as well. The Fourth Theravāda Council

7420-445: The establishment of the Anuradhapura kingdom in 380 BCE during the reign of Pandukabhaya . Thereafter, Anuradhapura served as the capital city of the country for nearly 1,400 years. Ancient Sri Lankans excelled at building certain types of structures such as tanks , dagobas and palaces. Society underwent a major transformation during the reign of Devanampiya Tissa , with the arrival of Buddhism from India. In 250 BCE, Mahinda ,

7526-486: The face of ongoing protests by opposition and the Buddhist clergy. The bill, together with various government colonisation schemes , contributed much towards the political rancour between Sinhalese and Tamil political leaders. Bandaranaike was assassinated by an extremist Buddhist monk in 1959. Sirimavo Bandaranaike , the widow of Bandaranaike, took office as prime minister in 1960, and withstood an attempted coup d'état in 1962. During her second term as prime minister,

7632-415: The first South Asian country to liberalise its economy. Beginning in 1983 , ethnic tensions were manifested in an on-and-off insurgency against the government by the LTTE. An LTTE attack on 13 soldiers resulted in the start of a civil war, and in response anti-Tamil race riots took place, allegedly backed by Sinhalese hard-line ministers, which resulted in more than 150,000 Tamil civilians fleeing

7738-595: The first Sri Lankan president to resign in the middle of his term. On the same day the President's House was stormed, protesters besieged and stormed the private residence of the prime minister and burnt it down. After winning the 2022 Sri Lankan presidential election , on 21 July 2022, Ranil Wickremesinghe took oath as the ninth President of Sri Lanka. He implemented various economic reforms in efforts to stabilize Sri Lanka's economy, which has shown slight improvement since. On 23 September 2024, Anura Kumara Dissanayake

7844-522: The government instituted socialist economic policies, strengthening ties with the Soviet Union and China, while promoting a policy of non-alignment. In 1971, Ceylon experienced a Marxist insurrection , which was quickly suppressed. In 1972, the country became a republic named Sri Lanka, repudiating its dominion status. Prolonged minority grievances and the use of communal emotionalism as an election campaign weapon by both Sinhalese and Tamil leaders abetted

7950-600: The government resumed fighting in 2006, and the government officially backed out of the ceasefire in 2008. In 2009, under the Presidency of Mahinda Rajapaksa , the Sri Lanka Armed Forces defeated the LTTE, bringing an end to the 26 year long civil war on 19 May 2009, and re-established control of the entire country by the Sri Lankan Government. Overall, between 60,000 and 100,000 people were killed during

8056-731: The island, seeking asylum in other countries. Lapses in foreign policy resulted in India strengthening the Tigers by providing arms and training. In 1987, the Indo-Sri Lanka Accord was signed and the Indian Peace Keeping Force (IPKF) was deployed in northern Sri Lanka to stabilise the region by neutralising the LTTE. The same year, the JVP launched its second insurrection in Southern Sri Lanka, necessitating redeployment of

8162-810: The legislative council. In 1937, Tamil leader G. G. Ponnambalam demanded a 50–50 representation (50% for the Sinhalese and 50% for other ethnic groups) in the State Council. However, this demand was not met by the Soulbury reforms of 1944–45. The Soulbury constitution ushered in dominion status , with independence proclaimed on 4 February 1948. D. S. Senanayake became the first Prime Minister of Ceylon . Prominent Tamil leaders including Ponnambalam and Arunachalam Mahadeva joined his cabinet. The British Royal Navy remained stationed at Trincomalee until 1956. A countrywide popular demonstration against withdrawal of

8268-586: The local king Vira Alakesvara of Gampola . Zheng He captured King Vira Alakesvara and later released him. Zheng He erected the Galle Trilingual Inscription , a stone tablet at Galle written in three languages ( Chinese , Tamil , and Persian ), to commemorate his visit. The stele was discovered by S. H. Thomlin at Galle in 1911 and is now preserved in the Colombo National Museum . The early modern period of Sri Lanka begins with

8374-669: The longest earthen dam in the world, the Hirakud Dam . A composite structure of the earth, concrete and masonry, the dam measures 26 kilometres (16 mi) including the Dykes. It spans two hills; the Lamdungri on the left and the Chandili Dunguri on the right. It also forms the biggest artificial lake in Asia , with a reservoir holding 784 square kilometres (303 sq mi) at full capacity, with

8480-414: The mountainous interior, in a bid to escape his power. Sri Lanka never really recovered from the effects of Kalinga Magha's invasion. King Vijayabâhu III, who led the resistance, brought the kingdom to Dambadeniya . The north, in the meanwhile, eventually evolved into the Jaffna kingdom . The Jaffna kingdom never came under the rule of any kingdom of the south except on one occasion; in 1450, following

8586-415: The much larger Ganges . However owing to its seasonal nature the river is mostly a narrow channel flanked by wide sand banks for most of the year. The Mahanadi was notorious for its devastating floods for much of recorded history. Thus it was called 'the sorrow of Orissa'. However the construction of the Hirakud Dam has greatly altered the situation. Today a network of canals, barrages and check dams keep

8692-541: The name given to Sri Lanka by the Portuguese when they arrived in 1505, was transliterated into English as Ceylon . As a British crown colony , the island was known as Ceylon; it achieved independence as the Dominion of Ceylon in 1948. The country is now known in Sinhala as Śrī Laṅkā ( Sinhala : ශ්‍රී ලංකා ) and in Tamil as Ilaṅkai ( Tamil : இலங்கை , IPA: [iˈlaŋɡaɪ] ). In 1972, its formal name

8798-473: The northwest. Sri Lanka has a population of approximately 22 million and is home to several cultures, languages and ethnicities. The Sinhalese people form the majority of the population, followed by the Sri Lankan Tamils , who are the largest minority group and are concentrated in northern Sri Lanka; both groups have played an influential role in the island's history. Other long-established groups include

8904-470: The project was ₹ 1,000.2 million (equivalent to ₹ 100 billion or US$ 1.2 billion in 2023) in 1957. Power generation along with agricultural irrigation started in 1956, achieving full potential in 1966. The Hirakud Dam is a man-made structure of earth, concrete and masonry. 10 km (6.2 mi) north of Sambalpur , it is the longest major earthen dam in the world , measuring 25.8 km (16.0 mi) including dykes, and stands across

9010-449: The project. The committee envisaged that the project would cost ₹ 92.80 crore and the construction of the main dam would be complete by June 1955. It also said that by 1954–55 a total of 1,347,000 acres (545,000 ha) of land would be irrigated and 48,000  kW of electric power would be generated. However, the dam was completed in 1953 and formally inaugurated by Prime Minister Jawaharlal Nehru on 13 January 1957. The total cost of

9116-546: The reign of Parākramabāhu the Great (1153–1186). This period is considered as a time when Sri Lanka was at the height of its power. He built 1,470 reservoirs – the highest number by any ruler in Sri Lanka's history – repaired 165 dams, 3,910 canals, 163 major reservoirs, and 2,376 mini-reservoirs. His most famous construction is the Parakrama Samudra , the largest irrigation project of medieval Sri Lanka. Parākramabāhu's reign

9222-437: The rice rations resulted in the resignation of prime minister Dudley Senanayake . S. W. R. D. Bandaranaike was elected prime minister in 1956. His three-year rule had a profound influence through his self-proclaimed role of "defender of the besieged Sinhalese culture". He introduced the controversial Sinhala Only Act , recognising Sinhala as the only official language of the government. Although partially reversed in 1958,

9328-521: The right of "Unambuwe Bandara" , the crown passed to the brother of one of Narendrasinha's princesses, overlooking Narendrasinha's own son by a Sinhalese concubine . The new king was crowned Sri Vijaya Rajasinha later that year. Kings of the Nayakkar dynasty launched several attacks on Dutch controlled areas, which proved to be unsuccessful. During the Napoleonic Wars , fearing that French control of

9434-554: The rise of militancy. The assassination of Jaffna Mayor Alfred Duraiyappah in 1975 by the Liberation Tigers of Tamil Eelam (LTTE) marked a crisis point. The government of J. R. Jayawardene swept to power in 1977, defeating the United Front government. Jayawardene introduced a new constitution , together with a free-market economy and a powerful executive presidency modelled after that of France. It made Sri Lanka

9540-461: The river Mahanadi. The main dam has an overall length of 4.8 km (3.0 mi) spanning between two hills; the Laxmidungri on the left and the Chandili Dunguri on the right. The dam is flanked by 21 km (13 mi) of earthen dykes on both the left and right sides, closing the low saddles beyond the adjoining hills. The dam and dykes together measure 25.8 km (16.0 mi). It also forms

9646-457: The river well in control. However heavy rain can still cause large-scale flooding as evidenced in September 2008 when 16 people died as the river breached its banks. In September 2011, heavy downpour caused flash flood and many mud dwellings in more than 25 villages above Hirakud Dam in Chhattisgarh and Odisha, which were never affected before, collapsed due to back water that could not pass through

9752-699: The river. Sri Lanka Sri Lanka , historically known as Ceylon , and officially the Democratic Socialist Republic of Sri Lanka , is an island country in South Asia . It lies in the Indian Ocean , southwest of the Bay of Bengal , separated from the Indian peninsula by the Gulf of Mannar and the Palk Strait . It shares a maritime border with the Maldives in the southwest and India in

9858-451: The so-called "Fortress in the Sky", built during the reign of Kashyapa I , who ruled between 477 and 495. The Sigiriya rock fortress is surrounded by an extensive network of ramparts and moats. Inside this protective enclosure were gardens, ponds, pavilions, palaces and other structures. In 993 CE, the invasion of Chola emperor Rajaraja I forced the then Sinhalese ruler Mahinda V to flee to

9964-541: The southern part of Sri Lanka. Taking advantage of this situation, Rajendra I , son of Rajaraja I, launched a large invasion in 1017. Mahinda V was captured and taken to India, and the Cholas sacked the city of Anuradhapura causing the fall of Anuradhapura kingdom . Subsequently, they moved the capital to Polonnaruwa . Following a 17-year-long campaign, Vijayabahu I successfully drove the Chola out of Sri Lanka in 1070, reuniting

10070-636: The state of Odisha. This river flows slowly for about 900 kilometres (560 mi) and deposits more silt than any other river in the Indian subcontinent. The cities of Cuttack and Sambalpur were prominent trading places in the ancient world and the river itself has been referred to as the Manada in Ptolemy's works. However today the Mahanadi valley is best known for its fertile soil and flourishing agriculture. Average annual surface water potential of 66.9 km has been assessed in this basin. Out of this, 50.0 km

10176-701: The suspension of fuel to all non-essential vehicles, and more such economic disorder. Due to the crisis, massive street protests erupted all over the country, with protesters demanding the resignation of the President Gotabaya Rajapaksa . The protests culminated with the storming and siege of the President's House on July 9, 2022, and resulted in President Gotabaya Rajapaksa fleeing to Singapore and later emailing his resignation to parliament, formally announcing his resignation and making him

10282-456: The underbelly of Hirakud Dam. The temple are visible to visitors on boat only during the summer months of May and June. Cattle Island is located in one of the extreme points of Hirakud Reservoir, a natural wonder. Completely inhabited by wild animals, it is without any trace of humans. It is near Kumarbandh village of Belpahar-Banharpali range which is about 90 km (56 mi) from Sambalpur . It can be reached by launch from Hirakud Dam, it

10388-714: The water resource dept of Odisha as part of India 's ambitious Indian Rivers Inter-link . These are remnants of temples submerged after the dam was completed in 1957. In the summer season, the receding water of the dam makes the structures become visible. The hidden treasures have finally caught the attention of historians, and steps are being taken to understand the historical significance of these temples, which periodically go under water, only to resurface again. Many temples have been destroyed after 58 years of underwater existence. However, some remain intact. Interest in these lost temples has been rekindled after two stones, etched with writing ('Shila Lekha'), were recovered from what

10494-594: Was a vassal of Sri Vijaya led by their king Chandrabhanu briefly invaded Sri Lanka from Insular Southeast Asia . They were then expelled by the South Indian Pandyan dynasty. However, this temporary invasion reinforced the steady flow of the presence of various Austronesian merchant ethnic groups, from Sumatrans (Indonesia) to Lucoes (Philippines) into Sri Lanka which occurred since 200 BCE. Chinese admiral Zheng He and his naval expeditionary force landed at Galle, Sri Lanka in 1409 and got into battle with

10600-464: Was changed to "Free, Sovereign and Independent Republic of Sri Lanka". Later, on 7 September 1978, it was changed to the "Democratic Socialist Republic of Sri Lanka". As the name Ceylon still appears in the names of a number of organisations, the Sri Lankan government announced in 2011 a plan to rename all those over which it has authority. The pre-history of Sri Lanka goes back 125,000 years and possibly even as far back as 500,000 years. The era spans

10706-636: Was destroyed by Bakhtiyar Khalji . It is probable that many of the scriptures from Nalanda are preserved in Sri Lanka's many monasteries and that the written form of the Tripiṭaka , including Sinhalese Buddhist literature, were part of the University of Nalanda. In 245 BCE, bhikkhunī Sanghamitta arrived with the Jaya Sri Maha Bodhi tree, which is considered to be a sapling from the historical Bodhi Tree under which Gautama Buddha became enlightened. It

10812-591: Was exiled to India. The Kandyan Convention formally ceded the entire country to the British Empire. Attempts by Sri Lankan noblemen to undermine British power in 1818 during the Uva Rebellion were thwarted by Governor Robert Brownrigg . The beginning of the modern period of Sri Lanka is marked by the Colebrooke–Cameron reforms of 1833. They introduced a utilitarian and liberal political culture to

10918-496: Was held at the Anuradhapura Maha Viharaya in Sri Lanka under the patronage of Valagamba in 25 BCE. The council was held in response to a year in which the harvests in Sri Lanka were particularly poor and many Buddhist monks subsequently died of starvation. Because the Pali Canon was at that time oral literature maintained in several recensions by dhammabhāṇaka s ( dharma reciters), the surviving monks recognised

11024-575: Was released on 29 Oct 1979 by the Department of Posts, with denomination 30 paise (0.36¢ US), 3,000,000 stamps issued. A hundred rupee note was issued on 26 December 1960 by RBI Governor H.V.R. Iyengar. The size of this note is 109 mm × 172 mm (4.3 in × 6.8 in). On the back side of this note there are thirteen regional languages along with an image of the Hirakud Dam and Hydro-Electric station. http://www.hirakuddam.com/places-to-go/ Mahanadi River The word Mahanadi

11130-400: Was sworn in as Sri Lanka's new president after winning the presidential election as a left-wing candidate. On 14 November 2024, President Anura Kumara Dissanayake's National People's Power (NPP), a left-leaning alliance, received a two-thirds majority in parliament in Sri Lankan parliamentary election. Sri Lanka, an island in South Asia shaped as a teardrop or a pear/ mango , lies on

11236-503: Was used to designate the whole island in Sangam literature . The island was known under Chola rule as Mummudi Cholamandalam ("realm of the three crowned Cholas"). Ancient Greek geographers called it Taprobanā ( Ancient Greek : Ταπροβανᾶ ) or Taprobanē ( Ταπροβανῆ ) from the word Tambapanni . The Persians and Arabs referred to it as Sarandīb (the origin of the word " serendipity ") from Sanskrit Siṃhaladvīpaḥ . Ceilão ,

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