The correct answer is: C. Kinnaur
Darlaghat Conservation Reserve is a protected area in the Kinnaur district of Himachal Pradesh, India. It was established in 1988 to protect the endangered snow leopard and its habitat. The reserve covers an area of 1,100 square kilometers (420 sq mi) and is located in the Himalayas at an altitude of 3,000 to 5,000 meters (9,800 to 16,400 ft).
The reserve is home to a variety of wildlife, including snow leopards, Himalayan tahr, musk deer, and red pandas. It is also an important bird area, with over 200 species of birds recorded.
The reserve is managed by the Himachal Pradesh Forest Department. It is open to tourists, but visitors must obtain a permit from the forest department.
The other options are incorrect because:
- Solan is a city in the Solan district of Himachal Pradesh. It is not located in the Kinnaur district.
- Bilaspur is a city in the Bilaspur district of Himachal Pradesh. It is not located in the Kinnaur district.
- Chamba is a city in the Chamba district of Himachal Pradesh. It is not located in the Kinnaur district.