33a, 6th Floor, Flat No. A-08, Jawaharlal Nehru Road, "chatterjee International Centre",, Kolkata - 700071, West Bengal, India
4-h,electronic Center, 1/1a, Biplabi Anukul Chandra Street,, Kolkata - 700072, West Bengal, India
14, 2nd Floor, N. S. Road,, Kolkata - 700001, West Bengal, India
Plot No-26/1/1a, Strand Road, 3rd Floor,, Kolkata - 700001, West Bengal, India
74-e, Purna Das Road, 1st Floor, (near Triangular Park),, Kolkata - 700029, West Bengal, India