Professional Appointments:
- STAR Lab, Stanford University, USA as IUSSTF Research Fellow, 2010-2011
- RISH, Kyoto University, Japan under joint Indo-Japan project, sponsored by DST, N. Delhi, 2013.
- DTU Space, Denmark on a visitor program in TEA-IS program, sponsored by ESF (European Science Foundation), 2015.
- IPER, Moscow, Russia under joint Indo-Russian DST-RFBR project, 2015.