Salem is a district in the Indian state of Tamil Nadu Mettur Dam is a major irrigation and drinking water project in Tamil Nadu. Mettur Dam is one of the largest dams in India. This dam was built in 1934 across the Cauvery River. There is a beautiful park near the dam. The park is maintained by the Tamil Nadu Public Works Department. The dam provides irrigation and drinking water to more than 12 districts in Tamil Nadu. Therefore, it is considered as the life and livelihood asset of Tamil Nadu.