1. Tutor, Department of Pharmacology, Jawaharlal Nehru Medical College, Bhagalpur
2. Professor and HOD, Department of Pharmacology, Jawaharlal Nehru Medical College, Bhagalpur
3. Prof and Head, Department of Pharmacology, Darbhanga Medical College, Laheriasarai.
4. Young Scientist, IPGMER and SSKM Hospital, Kolkata.