Odisha has the largest coal reserves in India with 94.52 billion tonnes as of April 1, 2025. This constitutes about 28.8% of India's total coal reserves. Major coalfields in Odisha include Talcher, Ib Valley, and Rampia. The state is a leading coal producer and exporter, and vast coal resources are managed under the Mahanadi Coalfields Limited, a subsidiary of Coal India Limited.
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