The correct answer is C. Himachal Pradesh.
The Nathpa Jhakri Hydroelectric Project is a run-of-river hydroelectric project located on the Sutlej River in Himachal Pradesh, India. It is the largest hydroelectric project in India and the second largest in Asia. The project was commissioned in 1999 and has an installed capacity of 3,000 MW.
The project consists of four dams, two power stations, and a 20-kilometer-long headrace tunnel. The dams are located at Nathpa, Jhakri, and Bhakra. The power stations are located at Nathpa and Jhakri. The headrace tunnel connects the dams to the power stations.
The project has been a major success in terms of power generation and economic development. It has also had a significant impact on the environment. The project has been criticized for its impact on the Sutlej River and its tributaries. It has also been criticized for its impact on the local people.
Despite the criticisms, the Nathpa Jhakri Hydroelectric Project is a major achievement for India. It is a symbol of India’s technological prowess and its commitment to sustainable development.
The other options are incorrect.
Option A is incorrect because Uttarakhand is a state in northern India. The Nathpa Jhakri Hydroelectric Project is located in Himachal Pradesh, which is a state in northern India.
Option B is incorrect because Sikkim is a state in northeastern India. The Nathpa Jhakri Hydroelectric Project is located in Himachal Pradesh, which is a state in northern India.
Option D is incorrect because Meghalaya is a state in northeastern India. The Nathpa Jhakri Hydroelectric Project is located in Himachal Pradesh, which is a state in northern India.