Raniganj Coalfield is primarily located in the Asansol and Durgapur subdivisions of Paschim Bardhaman district in the Indian state of West Bengal.

It spreads over to the neighbouring districts of Birbhum, Bankura, Purulia and to Dhanbad district of Jharkhand.

All non-coking coal mines were nationalized in 1973 and placed under Coal Mines Authority of India.

Raniganj Coalfield covers an area of 443.50 km2 (171.24 sq mi) and has total coal reserves of 49.17 billion tonnes, spread across Indian states of West Bengal and Jharkhand

That makes it the second largest coalfield in the country (in terms of reserves).

Out of the total reserve, 30.61 billion tonnes is in the West Bengal and 18.56 billion tonnes is in Jharkhand.

Raniganj Coalfield produces the best quality of non-coking coal in India, with average ash percentage of less than 20%.

The main features of this coal are high volatile content, long flame, quick ignition and high heat value.

The following are the highlights for fiscal year 2012-13:[2]

Coal Production = 33.90 million tonnes

Annual Turnover = ₹12,076.17 crore (US$1.9 billion)

Profit Before Tax = ₹1,897.18 crore (US$300 million)

Manpower = 72,973

Number of operating mines = 98

Number of underground mines = 77
Number of opencast mines = 21

Contact-

Eastern coalfields limited,
Sanctoria, Post: Dishergarh, Dist.: Burdwan,
W.B., PIN - 713 333
Tel: 0341-2520052-53, 2520414
Fax: 0341-2523574