16f, B.t. Road, Sukchar,, Kolkata - 700015, West Bengal, India
5/1, Acharya Jagdish Chandra Bose Road,, Kolkata - 700020, West Bengal, India
No. 221/t, Prantik, M.g. Road,, Kolkata - 700063, West Bengal, India
No- 42/a, Shakespeare Sarani,, Kolkata - 700017, West Bengal, India
No.- 50, Chowringi Road,, Kolkata - 700071, West Bengal, India