The correct answer is: D. Kangra
The largest ice skating rink in India is located in Dharamshala, Kangra district, Himachal Pradesh. It is a 10,000 square feet rink that is open to the public all year round. The rink is made of artificial ice and is maintained at a temperature of -10 degrees Celsius. It is a popular tourist destination and is also used for ice hockey and figure skating competitions.
Option A: Shimla is the capital of Himachal Pradesh and is a popular tourist destination. It is known for its colonial architecture and its scenic views of the Himalayas. However, it does not have the largest ice skating rink in India.
Option B: Una is a district in Himachal Pradesh that is known for its apple orchards. It is also a popular tourist destination due to its temples and its natural beauty. However, it does not have the largest ice skating rink in India.
Option C: Sirmaur is a district in Himachal Pradesh that is known for its forts and its temples. It is also a popular tourist destination due to its natural beauty. However, it does not have the largest ice skating rink in India.