Ex professor and Head Pathology, AIIMS, New Delhi,
Works mostly on Viral Hepatitis and liver Diseases.

Recipient of

• Shanti Swarup Bhatnagar award 1995.
• Ranbaxy science foundation award 1996
• Fellow of
  • Indian Academy of Sciences,
  • Indian National Science Academy,
  • Academy of medical sciences.
• J C Bose Fellow 2007-2019