75/1, Biplabi Ullashkar Dutta Road, , Kolkata - 700086, West Bengal, India
123a, Rashbehari Ave, , Kolkata - 700029, West Bengal, India
Block A, 103, , Kolkata - 700055, West Bengal, India
C/O Optaid Eye Care, Block D, P40/A, , Kolkata - 700055, West Bengal, India
64B, Surya Sen Street, , Kolkata - 700009, West Bengal, India