Concast Energy Limited is a WEST BENGAL based public ltd. Company Registered at dated 28-SEP-2004 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Concast Energy Limited is U27109WB2004PLC099978 and registration number is 099978 and SANJAY GUPTA is director in CONCAST ENERGY LIMITED

Heman Ductile Irons Ltd. is a WEST BENGAL based public ltd. Company Registered at dated 04-FEB-1994 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Heman Ductile Irons Ltd. is U27104WB1994PLC061724 and registration number is 061724 and SANJAY GUPTA is director in HEMAN DUCTILE IRONS LTD.

Concast Sheets & Tubes Limited is a WEST BENGAL based public ltd. Company Registered at dated 28-AUG-2007 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Concast Sheets & Tubes Limited is U27310WB2007PLC118140 and registration number is 118140 and SANJAY GUPTA is director in CONCAST SHEETS & TUBES LIMITED

Whitefield Suppliers Private Limited is a WEST BENGAL based private ltd. Company Registered at dated 07 JUL 2011 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Whitefield Suppliers Private Limited is U51909WB2011PTC164658 and registration number is 164658 and SANJAY GUPTA is director in WHITEFIELD SUPPLIERS PRIVATE LIMITED