Robust Infracon Private Limited is a WEST BENGAL based private ltd. Company Registered at dated 23 APR 2012 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Robust Infracon Private Limited is U45400WB2012PTC180907 and registration number is 180907 and SUMIT BARAN CHOWDHURY is director in ROBUST INFRACON PRIVATE LIMITED

Pacific Scientific Consultancy Private Limited is a WEST BENGAL based private ltd. Company Registered at dated 14-FEB-2007 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Pacific Scientific Consultancy Private Limited is U74120WB2007PTC113420 and registration number is 113420 and SUMIT BARAN CHOWDHURY is director in PACIFIC SCIENTIFIC CONSULTANCY PRIVATE LIMITED

Ocellus Eco-Home Private Limited is a WEST BENGAL based private ltd. Company Registered at dated 29-MAR-2007 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Ocellus Eco-Home Private Limited is U45400WB2007PTC114843 and registration number is 114843 and SUMIT BARAN CHOWDHURY is director in OCELLUS ECO-HOME PRIVATE LIMITED

Petrotierra Global Private Limited is a WEST BENGAL based private ltd. Company Registered at dated 27 DEC 2016 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Petrotierra Global Private Limited is U14290WB2016PTC218746 and registration number is 218746 and SUMIT BARAN CHOWDHURY is director in PETROTIERRA GLOBAL PRIVATE LIMITED