A housefly is a carrier of 

A water tanker can hold water upto several

The eggs of a female mosquito change at first into

A generator attached to a wheel rotated by water power can produce

To draw ground water from bore wells we use

Municipalities purify drinking water and supply into people after

Protected water is supplied through 

How many millilitre make one litre? 

Identify the substance that does not dissolve in water

The supply of drinking water to passersby at Chalivendram was a traditional followed from the rule of