Cardiology and Cardiac Surgery,
- M.B.B.S. from S N Medical College & Hospital, Agra University, Agra, January 1987
- M.S. (General Surgery), S N Medical College & Hospital, Agra University, Agra, May 1991
- M.Ch. (Cardio-Thoracic and Vascular Surgery), GB Pant Hospital, Delhi University, Delhi, August 1994
- Currently Chief Surgeon & Director, Paediatric Cardiac Surgery at Max Super Speciality Hospital, Saket, since July 2009
- Chief Neonatal & Congenital heart Surgeon, Paediatric Cardiac Program at Lotus Children Hospital, Hyderabad, from Jan 2008 – June 2009
- Senior Consultant, Escorts Heart Institute and Research Centre, New Delhi from July 2007 –Jan 2008
- Consultant, Escorts Heart Institute and Research Centre, New Delhi from Dec 2003 – July 2007
- Junior Consultant, Escorts Heart Institute and Research Centre, New Delhi from Jan 2000 – Nov 2003
- Attending Cardiac Surgeon, Escorts Heart Institute and Research Centre, New Delhi from Jan 1996 – Dec 1999
- Senior Registrar (Cardiothoracic &Vascular Surgery), G B Pant Hospital, New Delhi from Jun 1992 - Jul 1995