Mica is largely produced by the states of Andhra Pradesh, Rajasthan, Bihar, and Jharkhand. Important Points. Rajasthan has occupied second place with an estimated production of 6,635 tonnes of mica in the year 2013-14.. The mines of mica are located in Bhilwara, Ajmer, and Rajsamand districts of the state. Hence, we can say that Ajmer is …