20 B, Sree Gopal Mallick Lane, , Kolkata - 700012, West Bengal, India
D-52, Sammilani Park, Em Bypass, Kolkata GPO, , Kolkata - 700001, West Bengal, India
Gc 17, Rabindra Sarani, Narayantala West-baguiati, , Kolkata - 700059, West Bengal, India
93/3A/1, A P C Road, , Kolkata - 700009, West Bengal, India
C/O Peerless Hospital & B K Roy Research Centre, , Kolkata - 700094, West Bengal, India