The correct answer is: B. Shiwalik hills
The Shiwalik hills are a sub-range of the Himalayas, located in the Indian states of Himachal Pradesh, Uttarakhand, and Haryana. They are a low-lying range of hills, with an average elevation of 1,000-1,500 meters (3,300-4,900 feet). The Shiwalik hills are composed of sedimentary rocks, and are a popular tourist destination.
The Pir Panjal range is a mountain range in the Himalayas, located in the Indian states of Jammu and Kashmir, Himachal Pradesh, and Uttarakhand. It is a major watershed, separating the Indus River basin from the Ganges River basin. The Pir Panjal range is a popular destination for trekking and mountaineering.
The Dhauladhar range is a mountain range in the Himalayas, located in the Indian state of Himachal Pradesh. It is a sub-range of the Pir Panjal range, and is the easternmost range of the Great Himalayan Ranges. The Dhauladhar range is a popular destination for trekking, mountaineering, and skiing.
The hills of Una and Hamirpur districts are part of the Shiwalik hills. The Shiwalik hills are a low-lying range of hills, with an average elevation of 1,000-1,500 meters (3,300-4,900 feet). The Shiwalik hills are composed of sedimentary rocks, and are a popular tourist destination.