1d, diamond harbour rd, Sourin Roy Road, Behala, , Kolkata - 700034, West Bengal, India
D B 47, Sastri Bagan, Baguihati, , Kolkata - 700059, West Bengal, India
C/O B B Eye Foundation, 2/5, Ground Floor & 1st Floor & 2nd Floor, Sukhsagar Building, , Kolkata - 700020, West Bengal, India
316, M B Road, , Kolkata - 700051, West Bengal, India
14 B, Lake View Road, , Kolkata - 700029, West Bengal, India