P-16, New C.i.t. Road,, Kolkata - 700073, West Bengal, India
36, 3rd Floor, Room No. 1-b, Strand Road,, Kolkata - 700001, West Bengal, India
6-c, Elgin Road, Oriental House, 2nd Floor,, Kolkata - 700020, West Bengal, India
7 A, Dr. Meghnad Saha Sarani(southern Avenue), 4th Floor, Flat No. 4b,, Kolkata - 700026, West Bengal, India
156/89, B. T. Road, Northern Park,, Kolkata - 700108, West Bengal, India