Solution:

The construction of this Dam commenced on 30 April 1969 under the guidance of several engineers like Sri. C.V Mathews(Retired Chief Engineer, Electricity Board) . Storage of water in Idukki reservoir commenced in February, 1973. The inauguration of trial run of the first machine was celebrated on 4 October 1975. Commercial operation of the Power Station was Commissioned on 12 February 1976 by the then Hon. Prime Minister Smt. Indira Gandhi. The Government of Canada aided the Project with long term loans and grants. M/s S.N.C.Inc., Canada, a well-known firm of Consulting Engineers were advising and assisting Project Engineers under Canadian aid.