Gunawardana, V.D.N.S.(National Seminar on Religion and Society in Peninsular India (7th-16th Centuries A.D), Department of History School of Social Sciences and International Studies Pondicherry University, Pondicherry, India, 2011)
Gunawardana, V.D.N.S.(International Conference - the Inter University Cooperation Program RegionalStability through Economic, Social andEnvironmentalDevelopment in the GreatMekongSub-RegionalandAsia Pacific, Sri Lanka, 2011)