Our ancestors have tried to use rain-water by building

Rocks which have cracks or pores in them and can contain water are called …………

The layer of water which accumulates under the ground among rocks is called

………… water is usually mixed with many minerals

In Rainy season water level goes …………

The level of groundwater also called

The flow of rainwater is checked by

A person who regulated the use of water from the tank

Under groundwater is extracted from

The rocky layer that has cracks pores is