He has 36 years of experience in clinical (Radio-diagnosis and Interventional Radiology), teaching (M.B.B.S., M.D., postdoctoral fellowships, DM/ MCh and Ph D), research (Intramural & Extramural : National & International Projects) and administration (as part of different committees of AIIMS ND & other institutions) & superannuated as Professor & head of department of Radiodiagnosis and interventional radiology at AIIMS, New Delhi. 

MBBS, MD, MBA, FAMS, FICR

• 1. Dr. P.N. Berry Fellowship for advanced training in Liver Radiology at Queen Elizabeth Hospital (NHS) , Birmingham,UK, 1997.
• 2. Dotter Interventional Radiology Fellowship for Advanced training in Interventional Radiology at Dotter Interventional Institute, Oregon Health Sciences University, Portland, Oregon, USA, 2001.
• 3. Editor of Annals of National Academy of Medical Sciences (ANAMS), 2016 - 2021. (Published by Thieme – India)
• 4. Associate editor of Indian Journal of Musculoskeletal Radiology( IJMSR) ,2019 – 23. (Published by Scientific Scholar).
• 5. Associate editor of Journal of Clinical Interventional Radiology (ISVIR) India, 2017 - 20. (Published by Thieme – India).
• 6. National Award: Dr. N G Gadekar oration of IRIA, 2001.
• 7. National Award: Achanta Lakshmipati oration of National Academy of Medical Sciences (NAMS), India, 2015.
• 8. Life time achievement Award of Indian Society of Vascular & Interventional radiology (ISVIR) India, 2006.
• 9. President Indian Society of Vascular & Interventional radiology (ISVIR) India, 2012 – 13.
• 10. Secretary, National Academy of Medical Sciences (India), an autonomous body under the Ministry of Health & Family welfare (MH & FW), Govt. of India, 2014 – 2021.
• 11. Gold medal Award of Indian Society of Vascular & Interventional radiology (ISVIR) India, 2023.
• 12. Dr. B. N Khanna best paper award of UP IRIA for consecutive two years (1989 and 1990).
• 13. Sectional President (Medical sciences) 2019 – 20 of the Indian Science Congress association (Professional body under Ministry of Science & Technology, Government of India).
• 14. Member of expert committee of standard interventional radiology treatment guidelines (STG-2010 & 2020), Ministry of health & Family welfare and ICMR, New Delhi.
• 15. Started angiographic Radioembolization in liver cancer for the first time in India under a multicentre trial funded by International Atomic Energy Agency (IAEA) in 2004.

Radio-diagnosis and Interventional Radiology

Total – 224 (Book edited:1 and Book Chapters: 23)