C/O Calcutta Medicos, 49, Vivekananda Road, , Kolkata - 700007, West Bengal, India
51 A, Diamond Harbour Road, , Kolkata - 700027, West Bengal, India
16a, Rammohon Dutta Road, , Kolkata - 700025, West Bengal, India
Ud-02-601, Bengal Ambuja Housing Complex, , Survey Park, , Kolkata - 700075, West Bengal, India
C/O Priyamvada Birla Aravind Eye Hospital, 10, Loudon Street, , Kolkata - 700017, West Bengal, India
C/O Peerless Hospital & B K Roy Research Centre, , Kolkata - 700094, West Bengal, India