The correct answer is: C. Barotiwala.
Barotiwala is a town in Solan district of Himachal Pradesh, India. It is located on the National Highway 22, about 100 kilometers from Shimla. The town is known for its pine oil industry. The pine oil is extracted from the resin of the pine trees that grow in the area. The pine oil is used in a variety of products, including soaps, detergents, and cosmetics.
The other options are incorrect. Nahan is the district headquarters of Sirmaur district. Parwanoo is a hill station in Solan district. Kalka is a town in Panchkula district.