The Hathnikund Barrage is built on which river?

Yamuna
Ghaggar-Hakra
Sutlej
Markanda

The Hathnikund Barrage is a barrage on the Yamuna River in Yamunanagar district of Haryana, India. It was constructed in 1974 to provide irrigation and drinking water to the states of Haryana, Punjab, Rajasthan, and Delhi. The barrage is also used for flood control and power generation.

The Ghaggar-Hakra River is a seasonal river in northern India and Pakistan. It is a tributary of the Indus River. The Ghaggar-Hakra River is believed to be the ancient Saraswati River, which is mentioned in Hindu scriptures.

The Sutlej River is a major river in northern India and Pakistan. It is a tributary of the Indus River. The Sutlej River originates in the Himalayas and flows through the states of Himachal Pradesh, Punjab, Haryana, and Rajasthan in India before entering Pakistan.

The Markanda River is a tributary of the Yamuna River. It originates in the Shivalik Hills in Himachal Pradesh and flows through the states of Haryana and Uttar Pradesh. The Markanda River is a popular destination for fishing and boating.

The correct answer is: Yamuna.