A major hydroelectric project in Mizoram is located on the:

Tlawng River
Kolodyne River
Barak River
Tuivai River

The correct answer is: a) Tlawng River

The Tlawng River is a river in Mizoram, India. It is the longest river in the state, and is a major tributary of the Barak River. The Tlawng River is a popular destination for fishing, swimming, and boating.

The Kolodyne River is a river in Mizoram, India. It is a tributary of the Tlawng River. The Kolodyne River is a popular destination for fishing, swimming, and boating.

The Barak River is a river in India and Bangladesh. It is the largest river in the Barak Valley. The Barak River is a popular destination for fishing, swimming, and boating.

The Tuivai River is a river in Mizoram, India. It is a tributary of the Tlawng River. The Tuivai River is a popular destination for fishing, swimming, and boating.

The Tlawng River is the only river among the given options that has a major hydroelectric project located on it. The Tuivai Hydroelectric Project is a 100 MW hydroelectric project located on the Tlawng River. The project was commissioned in 2010.