D H Road, , Kolkata - 700008, West Bengal, India
, Kolkata - 700056, West Bengal, India
C/O B B Eye Foundation, 2/5, Ground Floor & 1st Floor & 2nd Floor, Sukhsagar Building, , Kolkata - 700020, West Bengal, India
19, Maharaja Tagore Road, , Kolkata - 700031, West Bengal, India
Gc 229, , Kolkata - 700106, West Bengal, India