P 708, Near Reliance Phone Building, Near Jai Cinema, Lake Town, Block A, Kolkata - 700089, West Bengal, India
No. 1/ 1, Meridith Street, Second Floor, Kolkata - 700012, West Bengal, India
No. 6 , Bamali Ghoshal Lane , Bihala,, Kolkata - 700034, West Bengal, India
B-6, Ground Floor, 1/1a, Electronic Center, Biplabi Anukul Chandra Street,, Kolkata - 700072, West Bengal, India
Dawsen Infotech (p) Ltd. Nicco House, (5th Floor), 2, Hare Street,, Kolkata - 700001, West Bengal, India