Mangalam B, 26, Hemanta Basu Sarani,, Kolkata - 700001, West Bengal, India
27/c, College Street,, Kolkata - 700073, West Bengal, India
2, N.c. Dutta Sarani, 7th Floor, Unit-7,, Kolkata - 700001, West Bengal, India
Plot No-36/4/1, M.s.p.c Howard,, Kolkata - 711101, West Bengal, India
233, Rai Bahadur Road,, Kolkata - 700053, West Bengal, India