1. MBBS, M.S. (Gen. Surg.), Senior Resident, Department of Surgery, Sri Krishna Medical College & Hospital, Muzaffarpur, Bihar.
2. MBBS, M.S. (Gen. Surg.), Associate Professor, Department of Surgery, Sri Krishna Medical College & Hospital, Muzaffarpur, Bihar.
3. Young Scientist (DST), Institute of Post-Graduate Medical Education and Research, A.J.C. Bose Road, Kolkata-700020, West Bengal, India.