2013 - till date Senior Scientist, CSIR-National Chemical Laboratory

2010 - 2013 Scientist Fellow, CSIR-National Chemical Laboratory

2007 - 2008 Post-doctoral Research Associate, New York University

2004 - 2007 Post-doctoral Research Associate, University of Massachusetts, Amherst

1999-2004 Ph. D. student, Indian Institute of Technology, Bombay