1. M.B.B.S., M.S. (Gen. Surgery),Senior Resident, Department of Surgery, Indira Gandhi Institute of Medical Sciences (IGIMS), Patna, Bihar.
2. Associate Professor, Department of Surgery, Indira Gandhi Institute of Medical Sciences (IGIMS), Patna, Bihar.
3. Young Scientist (DST) Institute of Post-Graduate Medical Education and Research, A.J.C. Bose Road, Kolkata-700020, West Bengal, India.