256, Rashbehari Avenue, , Kolkata - 700019, West Bengal, India
C/O B B Eye Foundation, 2/5, Ground Floor & 1st Floor & 2nd Floor, Sukhsagar Building, , Kolkata - 700020, West Bengal, India
9, Ibrahim Road, , Kolkata - 700023, West Bengal, India
48/1 F, Leela Roy Sarani, Ballygunge, , Kolkata - 700019, West Bengal, India
6 A, Deshapriya Park East, , Kolkata - 700029, West Bengal, India