The correct answer is (a). Andhra Pradesh and Karnataka are the two largest producers of raw silk in India, accounting for more than three-fourths of the country’s total production.
Andhra Pradesh is the largest producer of raw silk in India, accounting for more than 50% of the country’s total production. The state has a long history of sericulture, and the industry employs more than 1 million people. The main silk producing districts in Andhra Pradesh are Kurnool, Anantapur, and Kadapa.
Karnataka is the second largest producer of raw silk in India, accounting for more than 25% of the country’s total production. The state has a number of favorable conditions for sericulture, including a warm climate, abundant rainfall, and a good supply of mulberry leaves. The main silk producing districts in Karnataka are Mysore, Chamarajanagar, and Ramanagara.
The other options are incorrect. Option (b) is incorrect because West Bengal is not one of the top two producers of raw silk in India. Option (c) is incorrect because Assam is not one of the top two producers of raw silk in India. Option (d) is incorrect because West Bengal and Manipur are not among the top five producers of raw silk in India.