The correct answer is option (A), Kullu.
Tarla Wildlife Sanctuary is a wildlife sanctuary in the Kullu district of Himachal Pradesh, India. It was established in 1976 and covers an area of 1,200 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.
The other options are incorrect.
Option (B), Shimla, is the capital of Himachal Pradesh. It is a popular tourist destination, known for its colonial architecture and scenic views.
Option (C), Lahaul and Spiti, is a district in the northern part of Himachal Pradesh. It is a remote and sparsely populated region, known for its high mountains and glaciers.
Option (D), Hamirpur, is a district in the central part of Himachal Pradesh. It is a major agricultural and industrial center.