Two major coal-producing areas in India are:
Jharia Coalfield, Jharkhand: Located in the Damodar River valley, Jharia is India's largest and one of its most important coalfields. It is the primary source of prime coking coal used in the iron and steel industry.
Raniganj Coalfield, West Bengal: This is the oldest coalfield in India, also situated in the Damodar valley. It contains high-quality non-coking coal and is a significant producer for thermal power plants and various other industries.