Mehra is the Dr C.G. Pandit National Chair, Former Dean (Research) and Founder Head of the Dept. of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences (AIIMS), New Delhi. He is former Sec. General and Vice Pres., Federation of Immunological Societies of Asia Oceania and President, Asia Pacific Histocompatibility and Immunogenetics Association. He is council member, Intl. Union of Immunological Societies (IUIS) and International Histocompatibility association. His honours include India’s highest S.S. Bhatnagar award, Ranbaxy Science foundation award, Chevalier of the National Order of Merit (France), IROST Khwarizmi international award (Iran) and B.R. Ambedkar award for excellence in Research. He is a member of the Hungarian Academy of Sciences, Indian Academy of Sciences, Indian National Science Academy. He holds hon. professorship from four universities.
Section:04-Medical and Health Sciences incl. Neurosciences