By Height: Large dams (above 15m), Major dams (above 150m)
2. By Purpose: Irrigation, Hydroelectric, Multipurpose
3. By Construction: Concrete, Earth-fill, Rock-fill
Major River Systems and Their Dams:
Ganga System: Tehri Dam (Bhagirathi), Farakka Barrage (Ganga)
Godavari System: Pochampad Dam, Sriramsagar Dam
Krishna System: Nagarjuna Sagar, Srisailam Dam
Narmada System: Sardar Sarovar Dam, Omkareshwar Dam
Cauvery System: Mettur Dam, Krishnaraja Sagar