Where are Jhumri Telaiya and Mandar Hills situated?

In which river Mata Tila Dam is situated?

Maithon, Belpahari and Tilaiya dams are constructed on the river-

Where are Tapovan and Vishnugarh Hydroelectric Projects located?

Malampuzha dam is situated on which river?

Indira Sagar dam is situated on which river?