state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 General Knowledge Indian Geography Indian Rivers and Water Resources
Consider the following:
1. Kulhs
2. Khadin
3. Johads
4. Madakas
5. Ahar
Which of the following are Rainwater Harvesting methods?
1
1, 2 and 3 only
2
1, 3 and 4 only
3
1, 2, 3 and 4 only
4
1, 2, 3, 4 and 5