5/1, M S M Road, Balaram Dharma Sopan, , Kolkata - 700116, West Bengal, India
51/1 A, Sarat Bose Road, , Kolkata - 700025, West Bengal, India
C/O B B Eye Foundation, 2/5, Ground Floor & 1st Floor & 2nd Floor, Sukhsagar Building, , Kolkata - 700020, West Bengal, India
Fc 120, Sector 3, Salt Lake City, Bidhan Nagar Ib Market, , Kolkata - 700106, West Bengal, India
26, Diamond Harbour Road, , Kolkata - 700038, West Bengal, India