 Two years later, in 1955, the second dam across the Konar River was inaugurated.The third dam across the Barakar at Maithon was inaugurated in 1957, and the fourth dam across the Damodar at Panchet was inaugurated in 1959.The Damodar forms the border between Dhanbad district of Jharkhand and Purulia district of West Bengal, before meeting the Barakar at Dishergarh and flowing fully through West Bengal.