The correct answer is: A. Kangra
Kangra is the largest district in Himachal Pradesh, covering an area of 6,045 square kilometers. It is also the most populous district, with a population of over 2.1 million people. The district is located in the central part of the state, and is bordered by the districts of Una, Hamirpur, Bilaspur, Mandi, Chamba, and Lahaul and Spiti.
The main agricultural crops grown in Kangra are rice, wheat, maize, barley, and pulses. The district is also home to a number of important industries, including the production of wool, carpets, and handicrafts.
The following are the details of foodgrain area in each district of Himachal Pradesh:
District | Foodgrain area (in hectares)
——- | ——–
Kangra | 1,063,000
Mandi | 570,000
Shimla | 280,000
Kinnaur | 100,000
As you can see, Kangra has the maximum foodgrain area in the state of Himachal Pradesh.