17-d, Everest Building, 17th Floor, 46c, Jawaharlal Nehru Road,, Kolkata - 700071, West Bengal, India
12-a, Hematology Basu Sarani,, Kolkata - 700069, West Bengal, India
36, Strand Road, Room No T-u-15,, Kolkata - 700001, West Bengal, India
No.26/1/1b,4th Floor, Strand Road,, Kolkata - 700001, West Bengal, India
13/b Bidhan Sarani,, Kolkata - 700006, West Bengal, India