1. M.B.B.S, DNB-1, M.D. (Obs. & Gynae.), Senior Resident, Department of Obstetrics and Gynaecology, Darbhanga Medical College, Laheriasarai, Bihar.
2. MBBS, M.D. (Obs. & Gynae.), Ph.D. (Obs. & Gynae.), Associate Professor, Department of Obstetrics and Gynaecology, Darbhanga Medical College & Hospital, Laheriasarai, Darbhanga, Bihar.
3. Prof., MBBS, M.D. (Obs. &Gynae.), Ph.D. (Obs. & Gynae.), D.N.B., Professor and Head of Department, Department of Obstetrics and Gynaecology, Darbhanga Medical College & Hospital, Laheriasarai, Darbhanga, Bihar.
4. Young Scientist (DST) Institute of Post-Graduate Medical Education and Research, A.J.C. Bose Road, Kolkata-700020, West Bengal, India.