Nathpa Jhakri is the largest hydropower project on the Sutlej River in Himachal Pradesh state in northern India, with a capacity of 1,500 MW. In the Tibetan Plateau, the Sutlej River rises at an elevation of around 4,570 ml, meeting the Chenab River to form the Panjnad River before the Indus River confluence.
The correct answer is C.