Room No. - 55, 5th Floor, "martin Burn House, 1, R.n. Mukherjee Road,, Kolkata - 700001, West Bengal, India
21/1a/3, Parth Sarkar, Donbasko School, Jindal Tower,, Kolkata - 700017, West Bengal, India
E-5, 1st Floor, Block-2, Calcutta Greens Comm. Complex Ajoy Nagar, Survey Park, (near Bigbazar, Chak Garia),, Kolkata - 700075, West Bengal, India
9/12, Iind Floor, Block D, Lal Bazar Street,, Kolkata - 700001, West Bengal, India
1, Sarojini Naidu Sarani, 1st Floor,, Kolkata - 700017, West Bengal, India