MBBS 1982, MS (General Surgery) 1986, MCh (CTVS) 1989 Delhi University
Marian Ionescu Fellow in Paediatric Surgery, Leeds. UK 1991-1993
Higher Cardiothoracic Surgical Trainee in West Midlands UK 1993-1996
Senior Registrar Coventry UK 1996-97
Assistant Professor, AIIMS, New Delhi, India. 1997
Cardiac Surgeon, St Anthony's Hospital, London. 1998-2000
Associate Professor, Paediatric Cardiac Surgery, SGPGIMS, 2000-2002
Additional Professor & Head, Cardiovascular & Thoracic Surgery SGPGIMS, April 2002-2008
Professor and Head,Cardiovascular & Thoracic Surgery SGPGIMS, April 2008-present
Creator, Owner and Webmaster: CSiI Open Learning Website (Teaching website for students and young cardiac surgeons)
Founder: Children Heart Surgery Foundation
Conduct of Rural Out-Reach Clinics for Heart Patients
Founder: Bless A Heart Mission
Chief: Paediatric Cardiac Surgical Programme