Of which state is the capital Dehradun?

The capital of Uttarakhand is Dehradun. Uttarakhand is a state in the northern part of India. It is bordered by Nepal to the east, Uttar Pradesh to the south, Himachal Pradesh to the west, and Tibet to the north. Uttarakhand is known for its beautiful scenery, including the Himalayas, and is a popular tourist destination.