Which of the following wildlife sanctuaries has its connectivity with the Great Himalayan National Park?

The correct answer is: B. Tirthan

The Tirthan Wildlife Sanctuary is a protected area in the Kullu district of Himachal Pradesh, India. It is located in the Pir Panjal Range of the Himalayas, and is part of the Great Himalayan National Park. The sanctuary covers an area of 1,200 square kilometers, and is home to a variety of wildlife, including snow leopards, Himalayan tahr, musk deer, and red pandas. The sanctuary is also home to a number of villages, and is a popular destination for trekking and mountaineering.

The other options are incorrect because:

• A. Tundah Wildlife Sanctuary is located in the Kinnaur district of Himachal Pradesh, and is not connected to the Great Himalayan National Park.
• C. Talra Wildlife Sanctuary is located in the Chamba district of Himachal Pradesh, and is not connected to the Great Himalayan National Park.
• D. Simbalbara Wildlife Sanctuary is located in the Shimla district of Himachal Pradesh, and is not connected to the Great Himalayan National Park.