Capturing and storing of water locally in sub surface water reservoirs
Water cycle
Tube well
Rainwater harvesting
Tank
The main source of irrigation in India
Canal irrigation
Perennial canal
Overhead irrigation
Inundation canal
World's longest mainstream dam
Kosi
Mahi
Hirakud
Damodar valley
The joint project of Andhra Pradesh and Karnataka
Kosi project
Mahi project
Thungabhadra project
Damodar valley project
One of the o following is dug at shallow depths
Open well
Canal