The correct answer is A. Pir Panjal.
The Pir Panjal Range is a mountain range in the Lesser Himalayas that separates the Kashmir Valley from the Outer Himalayas. It is located in the Indian states of Jammu and Kashmir and Himachal Pradesh. The range is about 400 kilometers long and 50 kilometers wide. The highest peak in the Pir Panjal Range is Takht-i-Sulaiman, which is 4,421 meters (14,507 feet) tall.
The Pir Panjal Range is a popular destination for trekking, hiking, and mountaineering. The range is also home to a number of important Hindu and Buddhist pilgrimage sites.
The other options are incorrect.
Option B, Nun Kun, is a mountain range in the Karakoram Range. It is located in the Indian state of Jammu and Kashmir and the Pakistani province of Gilgit-Baltistan. The range is about 200 kilometers long and 50 kilometers wide. The highest peak in the Nun Kun Range is Nun Kun, which is 7,135 meters (23,406 feet) tall.
Option C, Zanskar, is a valley in the Indian state of Jammu and Kashmir. It is located in the Zanskar Range, which is a sub-range of the Himalayas. The valley is about 200 kilometers long and 50 kilometers wide. The highest peak in the Zanskar Range is Nun Kun, which is 7,135 meters (23,406 feet) tall.
Option D, None of these, is incorrect because it is not a mountain range.