A5/204 Mangalam Park, Biren Ray Road West, , Kolkata - 700034, West Bengal, India
114, Hazra Road, , Kolkata - 700026, West Bengal, India
C/O Rabindranath Tagore International Institute Of Cardiac Sciences, , Kolkata - 700099, West Bengal, India
18/3, , Kalkapur Road, , Kolkata - 700099, West Bengal, India
Old calcutta road, Talpukur, , Kolkata - 700123, West Bengal, India