Most of the water on earth is in the oceans and _________

There are _________ major sources of irrigation in India.

Tank irrigation is mostly practised in ________

The ________, near the Punjab - Himachal Pradesh border, is the highest dam in India.

In towns and cities, water is supplied to houses through ________.

_____________ water is the cheapest and quickest available water source.

India get plenty of rainfall from the _____________

__________ was the ancient system of irrigation in India.

The electricity produced by the force of falling water from the dam is called _________

Wells in which water is brought up from under ground using electric pump are called _________