• M.B.B.S. K.G. Medical College Lucknow, 1968 U.P., India
• Diplomat, American
• Board of Surgery U.S.A 1977
• Diplomate, American
• Board of Cardiothoracic Surgery U.S.A. 1979

• Attending Cardiothoracic Surgeon, New York University Medical Center, New York, U.S.A., 19791988
• Attending Cardiothoracic Surgeon and Consultant, Bellevue Hospital of the city of New York, U.S.A.
• Chief Thoracic and Cardiovascular Surgery, Veterans Administration Hospital (Manhattan), U.S.A.
• Attending Cardiothoracic Surgeon, New York InfirmaryBeekman Downtown Hospital, New York, U.S.A., 19791988
• Attending Cardiothoracic Surgeon, St. Vincent's Hospital and Medical Center, New York, U.S.A., 19791988

APPOINTMENTS

• CMD Global Health Private Limited (Medicity)
• Senior Consultant Cardiovascular Surgery at Apollo Hospital, Sarita Vihar, New Delhi from June 1, 2007 till Dec 31st 2009.
• Executive Director and Chief Cardiothoracic and Vascular Surgeon, Escorts Heart Institute and Research Centre, Okhla Road, New Delhi, from 1988 – 2007
• Appointed as Personal Surgeon to the President of India with effect from June, 1991.
• Appointed as Honorary Consultant to the Cromwell Hospital, London U.K., with effect from March, 1994.
• Appointed as Honorary Visiting Professor, Cardiovascular Surgery, LPS Institute of Cardiology, Kanpur (U.P.) with effect from June, 1996.
• Appointed as Honorary Consultant, Cardiothoracic Surgery, to the Armed Forces Medical Services, with effect from March, 1997.
• Appointed as Honorary Visiting Professor of Surgery, Bangladesh Medical College, Dhaka with effect from April, 2000.