Kangsabati River (Pron:/ˌkæŋsəˈbɑːtɪ/) (also variously known as the Kãsai and Cossye) rises from the Chota Nagpur plateau in the state of West Bengal, India and passes through the districts of Purulia, Bankura, Paschim Medinipur and Purba Medinipur in West Bengal before draining in the Bay of Bengal.