5 B, Royd Street, , Kolkata - 700016, West Bengal, India
C/O Peerless Hospital & B K Roy Research Centre, , Kolkata - 700094, West Bengal, India
C/O Nightingale Hospital, , Kolkata - 700017, West Bengal, India
50, Raja Dinendra St, , Kolkata - 700009, West Bengal, India
139/ A, Lenin Sarani, Dharmatala, , Kolkata - 700013, West Bengal, India