Mention the various Methods of Rain water Harvesting with diagrams.
1. Harvesting through watershed management.
2. Harvesting through lakes (Eries)
3. Harvesting through Service Wells
4. Harvesting through Recharge wells.
What are the major water resources?
Mention the three principal usages of water.
Why is the great plains of India rich in ground water resources?
Major source of surface water in India.
