1. M.B.B.S, M.S. (Gen. Surgery), Senior Resident, Department of Surgery, ESI, PGIMSR, Basaidarapur, New Delhi.
2. Associate Professor, Department of Surgery, ESI, PGIMSR, Basaidarapur, New Delhi.
3. Young Scientist (DST)Institute of Post-Graduate Medical Education and Research, A.J.C. Bose Road, Kolkata - 700020, West Bengal, India.