1/1, B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India
28/8/1, C N Roy Road, Tiljala, , Kolkata - 700039, West Bengal, India
C/O Apollo Gleneagles Hospital, Number 58, Canal Circular Road, Kankurgachi, , Kolkata - 700054, West Bengal, India
NSC Bose road, , Kolkata - 700103, West Bengal, India
53 A, Free School St, , Kolkata - 700016, West Bengal, India