The correct option is C Balaghat mines in Madhya Pradesh
1:The mines in India that produce 52% of India's Copper is Balaghat mines in Madhya Pradesh.
2: The two leading copper production states of India are – 52% of India's copper is produced in the Balaghat mine in Madhya Pradesh and another leading producing of copper is Singbhum district of Jharkhand. Also, Khetri mines in Rajasthan are the popular copper mines of India.