64-a, Hemant Basu Sarana, 9, 1st Floor, Room No.4, Bbd Bag,, Kolkata - 700001, West Bengal, India
No-27-a, Water Loo Street,, Kolkata - 700069, West Bengal, India
7 A, Dr. Meghnad Saha Sarani(southern Avenue), 4th Floor, Flat No. 4b,, Kolkata - 700026, West Bengal, India
No. 16, Netaji Subhas Road, 2nd & 4th Floor Bhandari Brothers Bldg.,, Kolkata - 700001, West Bengal, India
East India House, Ground Floor, Room No. 25, 20b, British India Street,, Kolkata - 700069, West Bengal, India