Explanation:

DVC's first dam, Tilaiya Dam, was across the Barakar at Tilaiya, in Hazaribagh district of Jharkhand, now in Koderma district of Jharkhand. It was inaugurated on 21 February 1953. The dam is 366 meters (1,201 ft) long and is 30.18 meters (99.0 ft) high from the river bed level. Tilaiya hydel power station is located on the left bank of the river Barakar. The structure is entirely of reinforced concrete. It has two generating units of 2 MW each with a provision for a third future unit of the same capacity.