India, Aug. 12 -- The Cabinet Committee on Economic Affairs chaired by the Prime Minister Shri Narendra Modi today has approved investment of Rs.8146.21 crore for construction of Tato-II Hydro Electric Project (HEP) in Shi Yomi District of Arunachal Pradesh. The estimated completion period for the project is 72 months.The project with an installed capacity of 700 MW (4 x 175 MW) would produce 2738.06 MU of energy. The Power generated from the Project will help improve the power supply position in the state of Arunachal Pradesh and will also help in balancing of the national Grid.The Project will be implemented through a Joint Venture Co. between North Eastern Electric Power Corporation Ltd. (NEEPCO) and the Government of Arunachal Pradesh. ...