Environmental Laboratories & Engineering Services Private Limited is a JHARKHAND based private ltd. Company Registered at dated 13 MAR 2018 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Environmental Laboratories & Engineering Services Private Limited is U74999JH2018PTC011125 and registration number is 011125 and PADMANAVA LAHIRI is director in ENVIRONMENTAL LABORATORIES & ENGINEERING SERVICES PRIVATE LIMITED

Boashen Engineering Private Limited is a DELHI based private ltd. Company Registered at dated 14 MAR 2012 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Boashen Engineering Private Limited is U29253DL2012PTC232873 and registration number is 232873 and PADMANAVA LAHIRI is director in BOASHEN ENGINEERING PRIVATE LIMITED

Envocon Engineers Private Limited is a JHARKHAND based private ltd. Company Registered at dated 07-SEP-2021 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Envocon Engineers Private Limited is U74999JH2021PTC017142 and registration number is 017142 and PADMANAVA LAHIRI is director in ENVOCON ENGINEERS PRIVATE LIMITED