The correct answer is C. Mandi.
Mandi district is the largest producer of ginger in Himachal Pradesh. It accounts for about 50% of the state’s ginger production. The district has a favorable climate for ginger cultivation, with warm summers and cool winters. The soil in Mandi is also suitable for ginger cultivation.
Ginger is a popular spice in India and is used in a variety of dishes. It is also used in traditional medicine. The ginger crop in Mandi is harvested in the winter months.
The other options are incorrect. Shimla is the capital of Himachal Pradesh and is not a major producer of ginger. Sirmaur is a district in Himachal Pradesh that is known for its apple production. Bilaspur is a district in Himachal Pradesh that is known for its wheat production.