Quippo Infrastructure Equipment Limited is a WEST BENGAL based public ltd. Company Registered at dated 03 SEP 2001 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Quippo Infrastructure Equipment Limited is U45500WB2001PLC144017 and registration number is 144017 and PARAG KESHAR BHATTACHARJEE is director in QUIPPO INFRASTRUCTURE EQUIPMENT LIMITED

Odisha Slurry Pipeline Infrastructurelimited is a ODISHA based public ltd. Company Registered at dated 17 JAN 2014 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Odisha Slurry Pipeline Infrastructurelimited is U60200OR2014PLC018639 and registration number is 018639 and PARAG KESHAR BHATTACHARJEE is director in ODISHA SLURRY PIPELINE INFRASTRUCTURELIMITED

Attivo Economic Zones Private Limited is a WEST BENGAL based private ltd. Company Registered at dated 22 MAY 1995 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Attivo Economic Zones Private Limited is U74900WB1995PTC071670 and registration number is 071670 and PARAG KESHAR BHATTACHARJEE is director in ATTIVO ECONOMIC ZONES PRIVATE LIMITED

Stesalit Systems Limited is a WEST BENGAL based public ltd. Company Registered at dated 07 DEC 2010 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Stesalit Systems Limited is U31908WB2010PLC155476 and registration number is 155476 and PARAG KESHAR BHATTACHARJEE is director in STESALIT SYSTEMS LIMITED