Q. Which is the most famous Doon (valley) in Uttarakhand?
Answer: Dehra
Notes: Dehradun, known as Dehra, is the capital of Uttarakhand located in the Doon Valley. The Doon Valley lies between the Himalayas and the Shivalik Hills. Dehradun hosts state government offices and many national institutions. It is a major administrative, educational, and economic center. The city serves as a gateway to hill stations like Mussoorie and pilgrimage sites such as Haridwar and Rishikesh.