South Eastern Coalfields Limited (SECL) is the largest coal producing company in the country. It is one of the eight subsidiaries of Coal India Limited (A Govt. of India Undertaking) under the Ministry of Coal . The company was adjudged the best PSU in the country for 97-98 and was awarded Jawaharlal Nehru Memorial National Award for pollution control and energy conservation in the year 2003 and Excellence award in 2004 .

In the year 2004-05 , out of total coal production of 323.64 million tonnes produced by Coal India Ltd., total coal production by SECL was 78.55 million tonnes from open cast and underground mines which is highest among all subsidiaries company of Coal India Ltd. . SECL has been making profits since its inception.

SECL is in it's strive for higher production from underground mines has already successfully introduced thick seam extraction with cable bolting, depillaring of contiguous seams with floor pinning and Powered Support Longwall Technology with Chinese Collaboration at Balrampur and Rajendra Under Ground Mines, Mass production technology with continuous miners in collaboration with UK and other developed countries, Hydro-fracturing and long hole blasting at goaf from underground for hard roof management at Churcha West Mines, Indigenously developed Cutter Loader to avoid blasting in gassy mine etc.

Upgradation of technology is continous process to be competitive. Modern generation of shovel and dumpers having capacity 10 m cube and 120 tonne dumper are being used on Open Cast mines. With use of such HEMM SECL has the distinction of operating biggest opencast mine in the country. SECL has planned to use shovel up to 40 m cube and Dumper up to 240 T capacity in Gevra Coal field.

The central Workshop,SECL ,Korba has been accredited with ISO 9002:1994 License from Quality System Certification in the field of repair of old machines and manufacture of spares. The license is effective from 21st Dec 2000. This is the first unit of SECL and second in the coal industry to achieve this distinction. Process is on conversion of ISO 9002 :1994 to ISO 9001:2000 for central Workshop ,Korba. Further Central Workshop, Gevra area, Regional workshop, Bijuri, Hasdeo Area and Regional Workshop, Korea, Chirimiri Area are also in the process of ISO 9001: 2000 accreditation.

Also three opencast projects of SECL, namely Gevra, Dipka and Kusmunda are in the process of getting EMS(Environmental Management System)14001 Certification. The consultant is CMPDIL,Ranchi(An ISO 9001 certified company) and it is expected that, certification will be obtained soon.

SECL is also establishing a GIS centre at its HQ at Bilaspur as a part of the Institutional Strengthening of Environmental and social Management Capabilities of SECL.