The correct answer is D. Shilaroo.
Shillaroo is a small town in the Solan district of Himachal Pradesh, India. It is located at an altitude of 2,400 meters (7,900 feet) above sea level. The town is known for its scenic beauty and its winter sports facilities. It is also home to the Asia’s highest hockey stadium, the International Hockey Stadium Shilaroo.
The International Hockey Stadium Shilaroo was built in 1982. It is a state-of-the-art stadium with a capacity of 10,000 spectators. The stadium has hosted several international hockey tournaments, including the 1982 Asian Games and the 2010 Commonwealth Games.
The other options are incorrect. Shimla is the capital of Himachal Pradesh. Solan is a town in the Solan district of Himachal Pradesh. Sirmour is a district in Himachal Pradesh.