The correct answer is: Option B. Kangra.
Parwanoo is a town in the Indian state of Himachal Pradesh. It is located in the Kangra district, about 20 kilometers from Dharamshala. The town is a popular tourist destination, known for its scenic beauty and its proximity to the Dhauladhar mountains.
The industrial estate of Parwanoo is located in the town itself. It is a major industrial hub, with a number of factories and manufacturing units. The estate is well-connected to the rest of the country by road and rail.
The other options are incorrect. Option A, Hamirpur, is a district in Himachal Pradesh. It is located in the central part of the state, and is the headquarters of the Hamirpur district. The district is home to a number of historical and religious sites, including the ancient temples of Masroor and Jwalamukhi.
Option C, Sirmaur, is a district in Himachal Pradesh. It is located in the northern part of the state, and is the headquarters of the Sirmaur district. The district is home to a number of historical and religious sites, including the ancient temples of Nahan and Chamunda Devi.
Option D, Solan, is a district in Himachal Pradesh. It is located in the central part of the state, and is the headquarters of the Solan district. The district is home to a number of historical and religious sites, including the ancient temples of Bijli Mahadev and Jwalamukhi.