Annual Conventions 1. ADTOI 1 Convention , New Delhi (20 JANUARY, 2007) 2. ADTOI 1 Convention , San Francisco (01/01/1967) 3. ADTOI 2 Convention , New Delhi (04 APRIL, 2008) 4. ADTOI 3 Convention , New Delhi (16-17 JANUARY, 2009) 5. ADTOI 8 Convention , Visakhapatnam (17-18 NOVEMBER, 2017)
