No. 104, Rastra Guru Avenue, Dum Dum, Nagarbazar,, Kolkata - 700028, West Bengal, India
2- A, Chowringhee Square,, Kolkata - 700069, West Bengal, India
21a, Rupchand Mukherjee Lane,, Kolkata - 700025, West Bengal, India
12-a, Hematology Basu Sarani,, Kolkata - 700069, West Bengal, India
155/1, Rajdanga, Nabapally,, Kolkata - 700107, West Bengal, India