The correct answer is: Both (A) and (B).
The Beas and Sutlej are the two main rivers of Mandi district. The Beas is a tributary of the Indus River, while the Sutlej is a tributary of the Ganges River. Both rivers are important sources of water for irrigation and drinking water in the district.
The Beas River originates in the Himalayas and flows through the states of Himachal Pradesh, Punjab, and Haryana. It joins the Indus River near Harike Barrage in Punjab. The Beas is a major source of irrigation water for the Punjab and Haryana states. It is also a popular tourist destination, with many popular tourist spots located along its banks.
The Sutlej River originates in the Himalayas and flows through the states of Himachal Pradesh, Punjab, and Rajasthan. It joins the Yamuna River near Haridwar in Uttarakhand. The Sutlej is a major source of irrigation water for the Punjab and Rajasthan states. It is also a popular tourist destination, with many popular tourist spots located along its banks.
The Beas and Sutlej rivers are both important sources of water for Mandi district. They are also popular tourist destinations.