The correct answer is: B. 1962
Dhauladhar Wildlife Sanctuary is a wildlife sanctuary in the Dhauladhar mountain range of the Himalayas in Himachal Pradesh, India. It was established in 1962 and covers an area of 264.5 square kilometers. The sanctuary is home to a variety of wildlife, including snow leopards, Himalayan tahr, musk deer, and red pandas. It is also a popular destination for trekking and mountaineering.
Option A is incorrect because the Dhauladhar Wildlife Sanctuary was established in 1962, not 1960.
Option C is incorrect because the Dhauladhar Wildlife Sanctuary was established in 1962, not 1994.
Option D is incorrect because the Dhauladhar Wildlife Sanctuary was established in 1962, not 1974.