C/O Optaid Eye Care, Block D, P40/A, , Kolkata - 700055, West Bengal, India
A E 369, Salt Lake City, , Kolkata - 700064, West Bengal, India
68, , Santosh Roy Road , Purba Barisha, , Kolkata - 700008, West Bengal, India
A J 258, Salt Lake City, , Kolkata - 700091, West Bengal, India
111 A, Rashbehari Avenue (Near Gariahat), , Kolkata - 700029, West Bengal, India