1. Associate Professor, Department of General Medicine, Medical College & Hospital, India
2. Resident, Department of General Medicine, Medical College & Hospital, India
3. Resident Medical Officer, Department of General Medicine, Calcutta National Medical College & Hospital, India
4. Assistant Professor, Department of Psychiatry, NRS Medical College & Hospital, India
5. Resident, Medicine Department, LDV Hospital, Medical College, India
6. Associate Professor, Microbiology Department, School of Tropical Medicine, India
7. Professor and Head, Tropical Medicine Department, School of Tropical Medicine, India