Ae 795, Salt Lake City, , Kolkata - 700064, West Bengal, India
GROUND FLOOR, Jessore Road, Barasat, , Kolkata - 700124, West Bengal, India
P 228, C I T Road, , Kolkata - 700054, West Bengal, India
Bhawanipur, , Kolkata - 700025, West Bengal, India
C/O Priyamvada Birla Aravind Eye Hospital, 10, Loudon Street, Park Street, , Kolkata - 700016, West Bengal, India