Selected for INSA visiting fellowship [within INDIA] for the year 1999
Brain Pool Fellowship Program of South Korea for the year 2003-04 and visited KERI, Changwon, South Korea
Raman Research Fellowship for the year 2009-10 and visited the University of Texas at Austin, USA
Selected under INSA-NRF exchange Program of Scientists and visited KERI, Changwon [2011]