64B, Surya Sen Street, , Kolkata - 700009, West Bengal, India
C/O Rotary Narayana Nethralaya, , Kolkata - 700091, West Bengal, India
48/8, Jessore Road, Bangur Avenue, , Kolkata - 700055, West Bengal, India
A B 156, Salt Lake City, , Kolkata - 700064, West Bengal, India
, Kolkata - 700028, West Bengal, India