Farmers for irrigating their fields depend on

Which one of the following is the main source of water?

Small channels are dug to take water from rivers to the fields are called

Tanks irrigation is mostly practised in

How many rivers are in Kerala?

A dam helps in flood control and also for

Dam water is mainly used to generates

Water gets collected in hallows in the ground using

Which is the main source of electricity produce in Kerala?

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