Ph.D in South Asian Studies, School of International Studies, Jawaharlal Nehru University, New Delhi, 1992
M.Phil in Political Studies, School of Social Sciences, Jawaharlal Nehru University, New Delhi, 1987
M.A in Political Science, Madurai Kamaraj University, Madurai, Tamil Nadu, India, 1984
Politics, foreign policy and security of Sri Lanka and Maldives, Peace and conflict studies (theories and South Asian cases); Ethnicity; Terrorism; Civil War; India’s foreign policy; Diaspora studies
Professor of South Asian Studies, School of International Studies, JNU, since 2003
Associate Professor of South Asian Studies, School of International Studies, JNU, 1995-2003
Visiting Fellowship at the Department of International Relations, Jadavpur University, Kolkatta, August 2010
Visiting Fellowship under the Ford Foundation grant at The Joan B. Kroc Institute for International Peace Studies, University of Notre Dame, Indiana, USA, Spring semester 1998
Kodikara Award in Strategic Studies, Regional Centre for Strategic Studies, Colombo, 1997
Leverhulme Visiting Fellowship (awarded by the Leverhulme Trust, London) at the Department of Politics and International Relations, University of Kent at Canterbury, UK, 1993-94
Venugopal Rambi Ammal endowment prize for securing the University first rank in M.A Political Science examination, Madurai Kamaraj University, Madurai, Tamil Nadu, India, 1984
Varieties of Democracy (V-Dem) Project, University of Gothenburg, Sweden, and others, 2013
Foundation for Community Transformation (Colombo) and Berghof Foundation (Berlin): Project on Rights and Power-Sharing Issues in Sri Lanka with special focus on the Indian Origin Tamil Community, 2006
Process of International Negotiations (PIN) Group, International Institute of Applied Systems Analysis (IIASA), Laxenburg, Austria: Project on Negotiating with Terrorists, directed by Professor I. William Zartman, 2006
"The Grand Swap: Negotiating an End to the Kandahar Hostage Crisis", In Guy Olivier Faure and I. William Zartman, eds., Negotiating with Terrorists (London: Routledge, 2010), pp.163-196.
"Negotiating Peace in Ethnic Wars", International Studies (New Delhi: Sage Publications), vol. 43, no.3, July-September 2006, pp. 239-266.
"Ending Internal Wars: The South Asian Experience", International Negotiation (The Hague: Kluwer Law International), Vol. 8, no.2, 2003, pp. 213-50.
"Ethnic Conflicts and Militarism in South Asia", International Studies (New Delhi: Sage Publications), vol. 39, no.2, April-June 2002, pp.103-38.
Coping with Disorder: Strategies to End Internal Wars in South Asia/ (Colombo: Regional Centre for Strategic Studies, 2000), pages 212.
"Ethnic Peacemaking in Sri Lanka: The Politics of Autonomy Solution", In Rajat Ganguly, ed., Autonomy and Ethnic Conflict in South and South-East Asia (London: Routledge, 2012), pp. 46-87.
"Unitarianism, Separatism and Federalism: Competing Goals and Problems of Compromise in Sri Lanka", In Michelle Ann Miller, Autonomy and Armed Separatism in South and Southeast Asia (Singapore: Institute of Southeast Asian Studies Press, 2012), pp.162-176.
"The Rise of Islamist Extremism in South Asia", In South Asia 2011: Europa Regional Surveys of the World Series, 8th Edition (London: Routledge, 2011).