Dehradun is the capital city of the northern state Uttarakhand of India. It is a mesmerizing hill station in the north and the gateway to Mussoorie – the queen of hills. This hill station is the largest and most populous city in the state. The hill station is famous for its research centers, education institutes, and forests. It is the land of Litchis. Dehradun is 670 meters high and lies on Doon Valley in the foothills of the Himalayas.