The Loktak Hydroelectric Project is located on the:

Manipur River
Imphal River
Barak River
Yu River

The correct answer is: The Loktak Hydroelectric Project is located on the Manipur River.

The Loktak Hydroelectric Project is a hydroelectric power plant located in Manipur, India. The project was commissioned in 1980 and has a capacity of 1,000 megawatts. The project is located on the Manipur River, which is a tributary of the Barak River. The Barak River is a major river in northeastern India and Bangladesh. It is the largest tributary of the Brahmaputra River.

The Loktak Hydroelectric Project is a controversial project. The project has been criticized for its environmental impact, including the displacement of people and the destruction of wetlands. The project has also been criticized for its economic impact, as it has not generated the expected amount of revenue.

The Imphal River is a river in Manipur, India. It is the largest river in the state and is a tributary of the Barak River. The Imphal River is about 150 kilometers long and flows through the Imphal Valley. The river is a major source of water for irrigation and drinking water in Manipur.

The Barak River is a river in northeastern India and Bangladesh. It is the largest tributary of the Brahmaputra River. The Barak River is about 500 kilometers long and flows through the states of Manipur, Assam, and Tripura in India and the Chittagong Division in Bangladesh. The river is a major source of water for irrigation and drinking water in the region.

The Yu River is a river in Manipur, India. It is a tributary of the Imphal River. The Yu River is about 50 kilometers long and flows through the Imphal Valley. The river is a major source of water for irrigation and drinking water in Manipur.