MBBS (Osm) 1949; DTM&H (Eng); MRCP(Edin); FRCP(Lon)
Fellow of The National Academy of Medical Sciences, India
Colombo Plan Fellowship in Nuclear Medicine 1966-67, Canada

• Ex. Director of Nuclear Medicine & RIA - Lilavati Hospital and Research centre.
• Emeritus Director of Nuclear Medicine & Ex-Medical Director - Jaslok Hospital & Research centre
• Emeritus Professor of Medicine (for life) and Ex - Dean Grant Medical College and Sri J. J. Group of Hospital Mumbai Dean (Academic) All India Institute of Diabetes
• Ex Member, Atomic Energy Regulatory Board 1990-2001 Ex Member of Editorial Board - Journal of Nuclear Medicine USA
• Journal of Nuclear Cardiology USA
• Former President of Society of Nuclear Medicine India, 1989
• Former Editor in Chief..Indian Journal Of Nuclear Medicine 1990-96 First President Indian Medical Informatics Association started in 1993
• First President Nuclear Cardiological Society of India started in 1994
• First President Society for Free Radical Research, India 1999.
• First President, Independent Ethics Committee India since 1999 Emeritus Professor: National Academy of Medical Sciences



Awards

• Distinguished Community Service Award of Rotary Club Of Bombay 1990
• 1s​t​ recipient of “ Gifted Teacher Award” instituted by Association of Physicians of India in 1991
• Padma Bhushan Award 1992
• Dhanvantari Award 1997
• Hon. Degree D. Sc. NTR University of Health Sciences A. P. Feb. 2000

Publications:​ Over 100 Scientific papers and 7 books.