40, BANGUR AVENUE, BLOCK- A, Bangur Avenue, , Kolkata - 700055, West Bengal, India
, Kolkata - 700107, West Bengal, India
144, Narkeldanga Main Road, , Kolkata - 700011, West Bengal, India
K B 4, Sector 3, Salt Lake City, , Kolkata - 700091, West Bengal, India
1/1, B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India