C/O, Vasan Eye Care, Dd- 30, , Kolkata - 700064, West Bengal, India
1d, diamond harbour rd, Sourin Roy Road, Behala, , Kolkata - 700034, West Bengal, India
17, 2nd Floor, Syed Amir Ali Avenue, , Kolkata - 700017, West Bengal, India
Prantik Building, Ground Floor, Dr SP Mukherjee Road, Titagarh, , Kolkata - 700119, West Bengal, India
1st Flr, 2, Russel St, , Kolkata - 700071, West Bengal, India