A dam water is made to fall from a great height used to generate electricity is called

Sea water is

In which season does India get plenty of rain water?

 Kashmir valley and the Brahmaputra valley are located in

Tanks irrigation is mostly practised in

Water gets collected in hallows in the ground using

Which is the main source of electricity produce in Kerala?

Which type of irrigation is widely practised in Punjab, Haryana, Uttar Pradesh and Gujarat?

Walls built to hold water back are called

Which one of the following is not used for drinking and agriculture?