64B, Surya Sen Street, , Kolkata - 700009, West Bengal, India
C/O Optaid Eye Care, Block D, P40/A, , Kolkata - 700055, West Bengal, India
Kamalgazi More, Sonarpur Station Road, , Kolkata - 700103, West Bengal, India
C/O, Vasan Eye Care, Dd- 30, , Kolkata - 700064, West Bengal, India
29a, Kali Banerjee Lane, , Kolkata - 700002, West Bengal, India