The correct answer is: B. Ravi-Beas
The Pandoh Dam is a concrete gravity dam on the Beas River in Himachal Pradesh, India. It is located about 100 km from the state capital, Shimla. The dam was constructed between 1972 and 1979 and is operated by the Bhakra Beas Management Board.
The main purpose of the dam is to generate hydroelectric power. It has an installed capacity of 300 MW. The dam also provides irrigation water to the states of Punjab, Haryana, and Rajasthan.
The Pandoh Dam is a major tourist attraction in Himachal Pradesh. The dam offers stunning views of the Beas River and the surrounding mountains. The dam is also a popular spot for fishing and boating.
The other options are incorrect because they do not link two important rivers of Himachal Pradesh. The Ravi River is located in the state of Punjab, while the Chenab River is located in the state of Jammu and Kashmir. The Beas River is located in the states of Himachal Pradesh and Punjab. The Sutlej River is located in the states of Himachal Pradesh, Punjab, and Haryana. The Yamuna River is located in the states of Uttarakhand, Himachal Pradesh, Haryana, Rajasthan, and Uttar Pradesh.