2006_Healthcom

2008_Telemedicon2008

2008_UNOOSA

2009_Allahabadworksh

2009_Exhibition

2009_HealthGIS

2009_NorthKorea

2010_ICEG

2010_IETE

2010_World Bank Mald

2013_Kumbh Mela

2014 Dec 10_BHU Tele