• Conference on Violent Conflicts, Terrorism and Nation Building: National & International Responses in Sri Lanka and Other South Asian Countries, 3rd - 4th August 2007, Kandy.

• Conference on Electoral Processes and Governance in South Asia, 12th June 2004, Colombo.

• Workshop on Conflict and Peace, 11th March 2004, Kandy

•  Workshop on Electoral Processes and Governance in South Asia, 21-23 June 2002, Colombo, Sri Lanka

•  International Conference on Governance and Corruption in South Asia, 30-31 July 1999, Colombo

•  Workshop on Post-Settlement Peace Building in Sri Lanka: A Review of Past Failures and Future Prospects, 29 & 30 January 1999, Kandy

•  Symposium on Governance and Corruption in Sri Lanka and South Asia, 9-10 January 1999, Colombo

•  International Conference on Conflict and Conflict Resolution in South Asia,
20-21 July 1997, Colombo

•  Seminar on Proposals for Devolution of Power in Sri Lanka, 30 October 1997, Colombo

•  International Conference on Affirmative Action Policies, 23 - 24 July 1997, Kandy

•  International Workshop on Causes of Conflict: South Asia, 3 -5 March 1997, Kandy

•  International Workshop on Causes of Conflict and Conflict Resolution, 15-17 July 1996, Kandy

•  Conference on the Press and Democracy in South Asia, 23 -24 March 1996, Kandy

•  Conference on Women in Politics, 10 -11 February 1996, Kandy

•  International Conference on Ethnic Conflict, Conflict Management & Resolution: International Experience and Lessons for Central Europe,
27-29 March 1995, Colombo

• Colloquium on the Freedom of the Press and Democracy in Sri Lanka, 15 – 16 December 1994, Colombo

•  International Conference on Buddhist Societies in Stability and Crisis, 28-30 July 1994, Kandy

•  International Conference on Sectarianism and the State, 16 -18 March 1994, Colombo

•  Workshop on Language Policy in a Multi-Ethnic Society: Sri Lanka, 11 December 1993, Colombo

•  International Conference on Democracy, Ethnicity and Development in South and South Asia, 19-21 August 1993, Colombo

•  Second South Asian Dialogue, 5 -7 November 1992, Kandy

•  Workshop on Language Policy in a Multi Ethnic Society, 20 November 1992, Kandy

•  International Conference on Democratisation Process in South Asia, 19 August 1992, Colombo

•  Workshop on University Education in Sri Lanka, 23 November 1991, Kandy

• Preliminary Workshop on University Education in Sri Lanka, 31 August 1991, Kandy

•  International Conference on Peace Accords, 25-27 July 1991, Colombo

•  Workshop on Provincial Council and Education - Policy Implications: The Case of the Central Province, 23 March 1991, Kandy

•  Seminar on Women & Violence, 9 March 1991, Kandy

•  Seminar on Politics, Ethnicity and Change in Central and Eastern Europe,
16 February 1991, Kandy

•  Workshop on Internationalization of Ethnic Conflict, 2-4 August 1989, Colombo

•  International Workshop on Economic Dimensions of Ethnic Conflict,13 -15 July 1988, Kandy

•  International Workshop on Secessionist Movements: Comparative Dimensions, 1-3 July 1987, Colombo

• Workshop on The Working Women and the Reconciliation of Roles,
9 November 1986, Kandy

• Workshop on Women at the Cross–Roads, 9 March 1985, Kandy

• Workshop on Education and Integration of Ethnic Minorities, BAD, Homburg, Germany, 5 – 8 June 1984

• Workshop on Muslim Minorities in Sri Lanka, South and South East Asia, 5 – 9 January 1984, Beruwala

• Workshop on Theories of Equality in the Religious and Cultural Traditions of Asia, 9 – 11 December 1983, Kandy

• Workshop on The Veddas of Sri Lanka, 26 March 1983, Kandy