1. (PG Final Year Department Of Medicine) Department Of Medicine, Darbhanga Medical College & Hospital, Laheriasarai.
2. M.B.B.S. (Hons.), M.D. (Medicine), D.T.M.&H., Ph.D. (Medicine), Associate Professor & Head, Department Of Medicine, Darbhanga Medical College & Hospital, Laheriasarai.
3. Young Scientist, IPGMER And SSKM Hospital, Kolkata