The Idukki Dam is a twofold ebb and flow curve dam developed over the Periyar River in a tight crevasse between two rock slopes Kuravan and Kurathi in Kerala, India. At 167.68 meters, it is one of the most astounding curve dams in Asia. It was built and is possessed by the Kerala State Electricity Board. It underpins a 780 MW hydroelectric force station in Moolamattom, which began creating power on 4 October 1975. Technically, the dam sort is a solid, twofold ebb and flow explanatory, slender circular segment dam.This dam was developed alongside two different dams at Cheruthoni and Kulamavu. Together, the three dams have made a simulated lake that is 60 km² in zone. The put away water is utilized to create power at the Moolamattom Power house, which is situated inside adjacent rough gives in. The Government of Canada helped in the working of the dam with long haul credits and grants.