C/O B M Birla Heart Research Centre, 1/1, National Library Avenue, , Kolkata - 700027, West Bengal, India
738, Diamond Harbour Road, , Kolkata - 700034, West Bengal, India
Kamalgazi More, Sonarpur Station Road, , Kolkata - 700103, West Bengal, India
10 A, Ground Floor, Rammohan Dutta Road, , Kolkata - 700020, West Bengal, India
49/5 Karl Marx Sarani, , Kolkata - 700023, West Bengal, India