58/115, Prince Anwar Shah Rd, , Kolkata - 700045, West Bengal, India
Cb10, 2nd Floor, Rail Pukur Road, , Kolkata - 700059, West Bengal, India
B F 173, Sector 1, Salt Lake City, Bidhan Nagar, , Kolkata - 700064, West Bengal, India
C/O Priyamvada Birla Aravind Eye Hospital, 10, Loudon Street, , Kolkata - 700017, West Bengal, India
Sitala Abasan, Ghoshpara Main Road, , Kolkata - 700102, West Bengal, India