Centre for Community Medicine

All India Institute of Medical Sciences, New Delhi

He is ranked among the top 2% researcher globally by Elsevier for last three years and has more than 360 publications with an h-index of 61. He is the Faculty-in-charge of Clinical Epidemiology unit (CEU) and Member, Deans Research Committee at AIIMS ND. He chairs the Research Review Committee, AIIMS Gorakhpur & is a Member Research Review Committee, AIIMS Madurai. He is a Member School Board of School of Health Sciences, IGNOU, Centre for Community Health and Social Sciences, JNU., School for Medical Sciences, University of Hyderabad.
He heads the Centre of Excellence under National Programme for Climate Change and Human Health (NPCCHH), Was Chair of Scientific Advisory Committee (SAC) ICMR-NIREH, Bhopal, 2019-2022. He heads the WHO Collaborating Centre for Capacity Development and Research in Community based NCD Prevention and Control. He has worked with WHO in NCD prevention and control and provided technical assistance to Health Ministries of Bhutan, Nepal, Maldives, East Timor. He currently leads the MINErVA network that provides technical support to SRS-verbal autopsy surveys. He is a Member WHO/UNDESA Covid Mortality Technical Advisory Group as well as Member WHO Working Group on Influenza Burden Estimation.
He has been awarded Fellowship of IAPSM, IPHA and NAMS. He has received multiple awards including ICMR- BC Srivastava Award (2000 ); ICMR- MK Seshadri Award (2008), IAPSM-Dr. Harcharan Singh Oration (2015), ICMR-Dr. PN Raju Oration (2014), IPHA_Dr. BC Dasgupta Oration (2018) and SEAPHEIN Public Health Leadership Award 2019.