Answer: Jharkhand
Notes: The Tilaiya Dam is a concrete gravity dam build across the Barakar River at Tilaiya in Koderma district of Jharkhand. It has a maximum height of 30.2 metres above the river bed. The dam has a catchment area of 984 square kilometres comprising mainly forests, pastures, cultivated lands and waste lands. The annual rainfall in the area is 127 cm. It was inaugurated on 21 February 1953. It has a power generation capacity of 2 x 2 MW.
