Institute Chair Professor, EE Department, IIT Bombay, Powai, Mumbai (current)

Chief Investigator, "Centre for Excellence in Nanoelectronics" www.inup-iitb.org (current)

Head, "Centre for Research in Nanotechnology & Science", IIT Bombay (Dec 2005-Jan 2007)

EE Department, University of California, Los Angeles: 1997-1998 (Post-doctoral fellow)

Prof. Rao has held short term visiting positions (May-July) at the University of California, Los Angeles, USA (2001), Universitaet der Bundeswehr, Munich, Germany (2003), Tokyo Institute of Technology, Tokyo, Japan (2005), Monash University, Melbourne, Australia (2007), The University of Calabria, Italy (2008), Georgia Institute of Technology, USA (2009), Nanyang Technological University, Singapore (since 2005), University of Alberta, Canada (2010) and McGill University, Canada (2011).