The correct answer is: A. Mandi.
The Uhal Hydroelectric Project is a run-of-the-river hydroelectric power project located in the Mandi district of Himachal Pradesh, India. The project is located on the Uhal River, a tributary of the Beas River. The project has an installed capacity of 100 MW and was commissioned in 2003.
The Uhal Hydroelectric Project is a major source of power for the state of Himachal Pradesh. The project also provides irrigation and drinking water to the region.
The other options are incorrect because:
- Option B, Lahaul and Spiti, is a district in Himachal Pradesh. However, the Uhal Hydroelectric Project is not located in this district.
- Option C, Kangra, is a district in Himachal Pradesh. However, the Uhal Hydroelectric Project is not located in this district.
- Option D, Kullu, is a district in Himachal Pradesh. However, the Uhal Hydroelectric Project is not located in this district.