• September-2019 to Till Date: Principal Scientist-CSIR/Associate Professor-AcSIR, Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune, India.
  • September-2014 to September-2019: Senior Scientist-CSIR/Assistant Professor-ACSIR, Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune, India.
  • December-2013 to September-2014: Senior Research Scientist, Toronto Research Chemicals Inc (TRC). Toronto, Canada (A Premier Contract Research Organization in Canada).
  • July-2010 to November-2013: Post-Doctoral Fellow (NSERC Canada), with Prof. Pierre Deslongchamps, Department of Chemistry, UNIVERSITÉ LAVAL, Québec (Québec), Canada.
  • December-2008 to June-2010: Post-Doctoral Fellow (NSERC Canada), with Prof. Pierre Deslongchamps, Department of Chemistry, UNIVERSITÉ DE SHERBROOKE, Sherbrooke, Québec, Canada.
  • April-2003 to November-2008: Junior Research Fellow & Senior Research Fellow-CSIR, India, under the supervision of Dr. J. S. Yadav, Former Director, CSIR-Indian Institute of Chemical Technology, Hyderabad, India.