Five largest coal mines in India in 2020 Mining Technology
4. Dipka OC Project. The Dipka OC Project, owned by Coal India, is a surface mine located in Chhattisgarh. The mine produced an estimated MTPA of coal in 2020. The mine will operate until 2027. 5. Lakhanpur OCP Mine. Owned by Coal India, the Lakhanpur OCP Mine is a surface mine located in Odisha.