P 256, Block B, Laketown, , Kolkata - 700089, West Bengal, India
1/A, Shyamananda Road, , Kolkata - 700025, West Bengal, India
4, Harisabha Lane, Behala, Parnasree Pally, , Kolkata - 700060, West Bengal, India
C/O Peerless Hospital & B K Roy Research Centre, , Kolkata - 700094, West Bengal, India
Ak 66, Salt Lake City, , Kolkata - 700091, West Bengal, India