Explanation:

Bansagar or Ban Sagar Dam is a multipurpose river Valley Project on Sone River situated in the Ganges Basin in Madhya Pradesh, India with both irrigation and 435 MW of hydroelectric power generation .The project was initially called the "Dimba Project" in 1956 by the Central Water Commission, New Delhi to be constructed on the Sone River at the confluence of the Sone and Banas Rivers near Shikarganj town 30 km down river from the present site. Later it was shifted to the present site at Deolond. There was an agreement in 1973 between the State Governments of Madhya Pradesh, Uttar Pradesh and Bihar for the construction of the dam, in which the states shared the expenditure in the ratio of 2:1:1.