Digboi Carbon Private Limited is a ASSAM based private ltd. Company Registered at dated 14 DEC 2004 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Digboi Carbon Private Limited is U23109AS2004PTC007590 and registration number is 007590 and SANJIB KUMAR BARUAH is director in DIGBOI CARBON PRIVATE LIMITED

Guwahati Carbon Limited is a ASSAM based public ltd. Company Registered at dated 25 MAR 1988 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Guwahati Carbon Limited is U23101AS1988PLC002915 and registration number is 002915 and SANJIB KUMAR BARUAH is director in GUWAHATI CARBON LIMITED

Brahmaputra Carbon Limited is a ASSAM based public ltd. Company Registered at dated 20 MAY 1996 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Brahmaputra Carbon Limited is U23101AS1996PLC004751 and registration number is 004751 and SANJIB KUMAR BARUAH is director in BRAHMAPUTRA CARBON LIMITED