PRDC- KOLKATA347, FE, 4, FE Block Ln, FE Block, Sector III, Bidhannagar, Kolkata, West Bengal 700106, India
Sajal Das40, Atul Krishna Banerjee Ln, Barada Basak Street, Ariadaha, Kolkata, West Bengal 700036, India
Ka
Kajal Engineering Works61, Thana Road, Jole Doba Para, Khardaha, Kolkata, West Bengal 700116, India
Dy
Dynatron Services Private Limited70 A, Block- D, UCO Bank Building, Bankim Mukherjee Sarani, Nariman Point, Block D, New Alipore, Kolkata, West Bengal 700053, India
Aq
Aquasub Engineering6, Bangur Ave, Bangur Avenue, Block A, Lake Town, Kolkata, West Bengal 700055, India