61.
When was the Damodar Valley Corporation established?

62.
Topchanchi lake is located at which district?

63.
Tilaiya dam was the first of the four multi-purpose dams included in the first phase of Damodar Valley Project. It was constructed across the

65.
The total length of the Damodar River is

66.
The Subarnarekha River falls from a height of 320 feet at

67.
The rivers of Santhal Pargana mainly originate from

68.
The River Subarnarekha originates from

69.
The river crosses from Dumka district is

70.
The only river of Jharkhand which falls in Bay of Bengal?