Cabinet Committee on Economic Affairs, chaired by the Prime Minister Narendra Modi has approved Rs 1600 crore expenditure on pre-investment activities and various clearances for Dibang Multipurpose Project in Arunachal Pradesh. The projected cost is Rs 28,080.35 crore and estimated completion period for the project is 9 years from the receipt of government sanction. It will generate 2880 mw (12×240 mw) power and is the largest ever hydro-electric project to be constructed in India. The dam is 278 metres high and will be highest dam in India once completed. The project is located on river Dibang, in Lower Dibang Valley District of Arunachal Pradesh. On completion, government of Arunachal Pradesh will get 12 per cent free power from the project.