80, Chowringhee Road, Lala Lajpat Rai Sarani, , Kolkata - 700020, West Bengal, India
144, Narkeldanga Main Road, , Kolkata - 700011, West Bengal, India
P462, sodepur road basu nagar gate no 1, Madhyamgram, , Kolkata - 700129, West Bengal, India
C/O Charnock Hospital Rgm 2103, New Town Approach Road, , Kolkata - 700052, West Bengal, India
1/1, B M Birla Heart Research Centre, National Library Avenue, , Kolkata - 700027, West Bengal, India