Kidney Transplant,
- MBBS - University College of Medical Sciences, Delhi University, 1984
- DNB (Gen. Surgery) - National Board of Examinations (India), 1988
- MS (General Surgery) - AIIMS, New Delhi, 1988
- F.R.C.S. (Glasgow) - Royal College of Physicians and Surgeons of Glasgow, U.K, 1993
- F.R.C.S. (Edinburgh) - Royal College of Surgeons, Edinburgh, 1993
- MNAMS
- F.R.C.S. (England) - Royal College of Surgeons of England, 2010
- F.R.C.P. (Edinburgh) by nomination - Royal College of Physicians of Edinburgh, 2010
- G. I. Surgery and Transplantation, Senior Consultant- Indraprastha Apollo Hospital, New Delhi , currently working Deptt. Of Organ Transplantation, Senior Registrar- St. James’s University Hospital, Leeds , U.K , currently working , Professor- AIIMS, New Delhi , 2008 Surgery, Additional Professor- AIIMS, New Delhi , 2004 Organ Transplantation and Surgery, Consultant Surgeon- St. James University Hospital, Leeds, U.K. , 2002 Surgery, Associate Professor- AIIMS, New Delhi , 1998 Deptt. Of Organ Transplantation , Senior Registrar- St. James University Hospital, Leeds, U.K. , 1997 Surgery, Assistant Professor & Consultant Surgeon- AIIMS, New Delhi , 1994 Urology and Transplantation, SHO- Royal Free Hospital, London NW3 , 1992