The correct answer is: B. Mandi district
The Giri Irrigation Project is a major irrigation project in the Indian state of Himachal Pradesh. It is located in the Mandi district of the state. The project was started in 1974 and completed in 1982. The project aims to irrigate an area of about 10,000 hectares of land in the Mandi district. The project also provides drinking water to the towns of Mandi and Bilaspur.
The Giri Irrigation Project is a multi-purpose project. It aims to provide irrigation, drinking water, and hydroelectric power. The project has a total installed capacity of 100 MW. The project is also a major source of employment in the Mandi district.
The Giri Irrigation Project is a major achievement for the state of Himachal Pradesh. The project has helped to improve the lives of the people of the Mandi district. The project has also helped to boost the economy of the state.
The other options are incorrect because:
- Option A is incorrect because the Giri Irrigation Project is not located in the Sirmaur district.
- Option C is incorrect because the Giri Irrigation Project is not located in the Una district.
- Option D is incorrect because the Giri Irrigation Project is not located in the Kangra district.