Jagadish Jha who designed and supervised the construction of Banaganga dam.

With a surface area of 225 ha (2.25 km2),[2] it is the largest reservoir in the country and an important wetland site.

[6] At Jakhira Lake during the 1970s, Jagdishpur was created to provide water to crops.

[5] The silt and nutrients deposited in the reservoir favour the growth of reed beds, which provide shelter for several endangered species.

[7] The surrounding cultivated land also provides habitat for a large numbers of birds.