C/O Rotary Narayana Nethralaya, , Kolkata - 700091, West Bengal, India
2 C, Picnic Garden 3rd Lane, Tiljala, , Kolkata - 700039, West Bengal, India
31 & 30d, College Street, , Kolkata - 700073, West Bengal, India
C/O Peerless Hospital & B K Roy Research Center, 360, Panchasayar, , Kolkata - 700094, West Bengal, India
C/o, Downtown Medical Centre, G 32, Block B, Downtown Mall, New Town, , Kolkata - 700156, West Bengal, India