71-a, Gupta Mansion, Room No. A-43, P.b. 660, Netaji Subhas Road,, Kolkata - 700001, West Bengal, India
22, N.s.c.bose Road, Regent Park, Tollygunge,, Kolkata - 700040, West Bengal, India
No. 6/3, Miti Jheel Avenue, Dumdum,, Kolkata - 700074, West Bengal, India
Berger House, 5th Floor, 129, Park Street,, Kolkata - 700017, West Bengal, India
Plot No J - 1, Block G. P., Saltlake Electronic Complex, Sector - 5,, Kolkata - 700091, West Bengal, India