is former Professor and Head, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi. He has been working in the field of perinatal medicine for the last 50 years after receiving specialized training in neonatology at Hammersmith Hospital, London, during 1970–71. He established the first WHO Collaborating Center for Training and Research in Newborn Care in South-East Asia region. He has authored 15 books on various aspects of pediatrics and neonatology which are characterized by clarity of expression, thoroughness of contents and ease of readability. He has served as a WHO consultant and MCH Advisor to several developing countries and Director, Indira Gandhi Institute of Child Health, Kabul, Afghanistan, during 1979–83. He was invited by the American Academy of Pediatrics as an International Visiting Professor for a lecture tour of USA and Canada. He has been conferred the fellowships of a large number of academic bodies and has been honored by the ‘Lifetime Achievement Awards’ by several academic institutions. He has served as the former Secretary-General and President of National Neonatology Forum of India and President of Indian Academy of Pediatrics.