1997 BHATTACHARYA, Sujit Kumar (b. 1950) MD,FNA, Former NASI Senior Scientist, Res. G-2, Cluster VIII, Purbachal, Salt Lake, Kolkata – 700097; Tel: (033) 23356566(R), 09811636292, 08697462003(M); Email: ; Sp. Diarrhoeal Diseases/Leishmaniasis/HIV/AIDS.