The controversial dam across the river Narmada?

Sardar Sarovar
Hirakud
Bhakranangal
Sutlej.

The correct answer is A. Sardar Sarovar Dam.

The Sardar Sarovar Dam is a gravity dam on the Narmada River in Gujarat, India. It is the largest dam in India and the second-largest dam in Asia. The dam was built to provide irrigation, drinking water, and hydroelectric power to the people of Gujarat. However, the construction of the dam has been controversial, as it has displaced thousands of people and caused environmental damage.

The Hirakud Dam is a concrete gravity dam on the Mahanadi River in Odisha, India. It is the largest dam in India in terms of volume of concrete used. The dam was built to provide irrigation, drinking water, and hydroelectric power to the people of Odisha.

The Bhakra Dam is a concrete gravity dam on the Sutlej River in Himachal Pradesh, India. It is the second-largest dam in India in terms of volume of concrete used. The dam was built to provide irrigation, drinking water, and hydroelectric power to the people of Punjab and Haryana.

The Sutlej River is a river in India and Pakistan. It is one of the five rivers that flow through the Punjab region. The Sutlej River is a major source of irrigation and drinking water for the people of Punjab.