The Cauvery (also known as ‘Kaveri’), known as ‘Ponni’ in Tamil, is the fourth-largest river in south India. Coming from the Western Ghats at Talakaveri in Karnataka’s Kodagu area, it travels through Tamil Nadu. The river bisects the state right into the north as well as southern and lastly gets to the Bay of Bengal at Poompuhar, also called Kaveripoompattinam in Tamil Nadu. The Cauvery basin is topped 81,155 square kilometers (sq km) in the regions of Karnataka (34,273 sq km), Tamil Nadu (43,856 sq kilometers), Kerala (2,866 sq km) as well as the Union Territory of Puducherry (160 sq km). The Kaveri’s significant tributaries, Kabini and Moyar, join it before the Stanley Storage tank at Mettur in Tamil Nadu’s Salem area. The river’s complete length, from source to mouth, is 802 kilometers. From classical times to the present age, the river has been the lifeline of the ancient kingdoms as well as cities of south India. As a result of the river’s abundant nature, the Cauvery delta was taken into consideration to be one of the most abundant regions in India till just recently. Today, however, that is no longer the instance: Karnataka and also Tamil Nadu have been bitterly up in arms with each other over sharing the river’s waters as a result of the failure of the downpour and even irregular rains.
In the past, yearly on June 12, water used to be discharged from the Mettur dam, allowing farmers in the Cauvery delta to go ahead with farming activities. Currently, it is only a remembrance. Water was shared between Karnataka and Tamil Nadu as per arrangements signed in 1892 as well as 1924 between the Madras Presidency and the Wodeyar Kingdom of Mysore. About 44,000 sq km of the river basin remains in Tamil Nadu as well as 32,000 sq km in Karnataka. Given that the water-sharing has been done according to a British Age arrangement, Karnataka does not concur with the sharing of drinking water with Tamil Nadu. Karnataka additionally wants the contract to be restored according to present-day rains patterns. The Supreme Court of India, in its judgment dated February 16, 2018, had ruled that Karnataka would certainly obtain 284.75 thousand million cubic feet (tmcft), Tamil Nadu 404.25 tmcft, Kerala 30 tmcft and also Puducherry 7 tmcft.