The correct answer is: D. All of these.
Jammu and Kashmir is the largest producer of apples, saffron, and walnuts in India.
Apples are the most important fruit crop of Jammu and Kashmir. The state produces about 15% of the total apple production in India. The main apple-growing areas are the Kashmir Valley, the Pir Panjal Range, and the Chenab Valley.
Saffron is the most expensive spice in the world. It is produced from the stigmas of the saffron crocus flower. Jammu and Kashmir is the largest producer of saffron in India. The main saffron-growing areas are the Kashmir Valley and the Pir Panjal Range.
Walnuts are a popular dry fruit. They are produced from the walnut tree. Jammu and Kashmir is the largest producer of walnuts in India. The main walnut-growing areas are the Kashmir Valley, the Pir Panjal Range, and the Chenab Valley.