The correct answer is A. Yamuna.
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, Rajasthan, and Delhi. The barrage is also used for flood control and power generation.
The Ghaggar River is a seasonal river in northern India. It originates in the Shivalik Hills of Himachal Pradesh and flows through the states of Haryana and Punjab. The Ghaggar River is a tributary of the Sutlej River.
The Saraswati River is a mythical river in India. It is believed to have dried up thousands of years ago. The Saraswati River is mentioned in the Rig Veda, one of the oldest Hindu scriptures.
The Ganga River is the longest river in India. It originates in the Himalayas and flows through the states of Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, and West Bengal. The Ganga River is a sacred river for Hindus.