Head Centre for Arboviral & Zoonotic Diseases in NCDC Delhi (2016-2020)
Director WHO Collaborating Centre for Rabies Epidemiology & Zoonoses
Head National Rabies Control Program, Intersectoral Coordination Program, Program for Prevention & Control of Leptospirosis
Head of National typing Centre for Salmonella &Escherchia coli, Rabies Research Centre, Diagnostic Reagents Manufacturing Laboratory, Diphtheria Pertussis Tetanus (DPT) Vaccine Production, Central Research Institute, Kasauli , Himachal Pradesh (2012-2015)