4, 5th Floor, Hindustan Building Annex, Chittaranjan Avenue, , Kolkata - 700072, West Bengal, India
50, Iisco House, 7th Floor, Jawaharlal Nehru Road, , Kolkata - 700071, West Bengal, India
AQ 6, IIPM Tower, Salt Lake City Sector 5, , Kolkata - 700091, West Bengal, India
8, M M Rahaman Sarani, , Kolkata - 700017, West Bengal, India
108, Diamond Harbour Road, , Kolkata - 700008, West Bengal, India