1. Tamil Nadu is water deficit state.
2. To manage water deficit, rain water harvesting and water conservation methods have to be implemented strictly.
Methods of water conservation:
1. Protect water conservation.
2. Rational use of ground water.
3. Renovation of traditional water source.
4. Increasing forest cover.
5. Recycling of water for other uses.
6. Changing crop pattern.
7. Flood management.
8. Use of geo-thermal water.