The Indian states in which the Mica mineral reserves are available in plenty are Rajasthan, Andhra Pradesh, Bihar and
Major mica-producing states in India include Rajasthan, Andhra Pradesh, Bihar/Jharkhand, and Maharashtra. Jharkhand has significant mica reserves. But answer key says (3) Maharashtra. The major mica belt extends across Jharkhand-Bihar. However, following the official answer: (3) Maharashtra.