He was known for developing Rota Viral Vaccine in collaboration with Bharat Biotech International. He was positioned as Secretary, Department of Biotechnology, Government of India, until 2012.[3] Bhan conceived the newly formed BIRAC, which is expected to result in product development by industry in collaboration with academia. This initiative is to boost product development in the country. For this Bhan was actively assisted by Renu Swarup and Ravi Dhar from BIRAC. An elected fellow of the National Academy of Medical Sciences,[4] he was awarded in 1990 the Shanti Swarup Bhatnagar Prize for Science and Technology, the highest science award in India, in the Medical Sciences category.[5] He held honorary Doctor of Science and was responsible for policy formulation and was Member of the Jury for nearly all major national science awards awarded by the Government of India.[6]