Give an account of the distribution of mica in India.

India has monopoly in production of mica producing about 60% of the world's total production. About 95% of India's mica is found in just three states of Jharkhand, Andhra Pradesh and Rajasthan.

(i) Jharkhand : Jharkhand has the richest belt and accounts for 60% of India’s production in terms of value. Mica is found in a belt extending about 150 km in length and 32 km in width from Gaya to Hazaribagh and Kodarma. Kodarma is a well-known place for mica production in Jharkhand.

(ii) Andhra Pradesh : This is second largest producer and accounts for 25% of India's mica. The areas are in Nellore district. It is 97 km. long and 30 km. wide.

(iii) Rajasthan : The mica belt extends from Jaipur to Udaipur. This is 322 km. long with an average width of 96 cm. The major mica producers are Bhilwara, Jaipur, Tonk, Sikar, Dungarpur and Ajmer.