Solution:The Cheruthoni Dam, located in Idukki district, Kerala, India is a 138m tall concrete gravity dam.
The Indira Sagar Dam is a multipurpose project of Madhya Pradesh on the Narmada river. Krishnaraja Sagar Dam, popularly known as ‘KRS’, is a lake and the dam that creates it.
They are close to settlement of Krishnaraja Sagar in the Indian state of Karnataka. The Mettur Dam is the largest in Tamil Nadu located across the river Cauvery.