Gunawardana, V.D.N.S.(3rd International congress, Society of South Asian Archaeology (SOSAA), Centre for Asian Studies, University of Kelaniya, Sri Lanka, 2010)
Gunawardana, V.D.N.S.(UGC-SAP National Seminar on Social Cultural Transformations in Early South India, School of Social Sciences and International studies, Department of History, Pondicherry University India, 2010)