Timely rainfall was due to

Municipalities purify drinking water and supply into people after

The biggest reservoir in our country is at

The eggs of a female mosquito change at first into

The excess of rain water flows into 

A housefly is a carrier of 

The percentage of the earth's surface which is covered by water is 

A water tanker can hold water upto several

Srinagar is on the banks of 

Irrigation is done through the following where underground water is plenty.