The correct answer is: B) Gold
Karnataka is the leading producer of gold in India. The state accounts for about 80% of the country’s gold production. The gold mines in Karnataka are located in the districts of Bellary, Chitradurga, and Tumkur.
Silver is the second most precious metal after gold. It is used in jewelry, coins, and electronics. India is the world’s second largest producer of silver. The silver mines in India are located in the states of Andhra Pradesh, Karnataka, and Rajasthan.
Platinum is a rare and precious metal. It is used in jewelry, electronics, and catalytic converters. India is not a major producer of platinum. The platinum mines in India are located in the state of Jharkhand.
Iron ore is a mineral that is used to make steel. India is the world’s second largest producer of iron ore. The iron ore mines in India are located in the states of Odisha, Jharkhand, and Chhattisgarh.