2009. Revisiting the notion of the Stammbaum. Invited plenary lecture delivered at the Special Session in Memory of Prof. Prem Singh, SALA 28, University of North Texas, Denton TX, October 9-11, 2009.
2008a. Issues of complexity in linguistic analysis. Invited paper presented at the Conference on Sciences and Methods, held at the Asiatic Society, Kolkata, and Visva-Bharati University, Santiniketan, January 8-11, 2008.
2008b. Voice, identity, and Habermas. Presentation made at the Indo-German Workshop (organized by Prof. S. Majumdar, Department of Germanic and Romance Studies, University of Delhi, and Freie-Universitaet, Berlin), University of Delhi, March 13-14, 2008.
2008c. Towards an intonational-illocutionary interface. Paper presented at the Conference on “Pragmatics, Grammatical Interfaces, and Jerry Sadock”, Department of Linguistics, University of Chicago, USA, May 2-3, 2008.
2008d. A reflective polyglot: Sir William Jones and his contributions to the study of languages. Keynote lecture delivered at the 262nd Birthday Celebration Conference in Honour of Sir William Jones, the Asiatic Society, Kolkata, September 26, 2008.
2007a. Translating Tagore’s analytical writings. Paper presented at the National Seminar on Language, Literature, and Problems of Translation, Department of Modern Languages & Literary Studies, University of Delhi, March 1-2, 2007.
2007b. Computability, language, and complexity. Invited lecture delivered at the Conference on Complex Systems, Centre for Computational Biology and Bioinformatics, Jawaharlal Nehru University, New Delhi, October 27, 2007.
2006a. Realism and the interface: Justifying the methods of formal semantics vis-à-vis natural language. Paper presented at the International Conference entitled “Methodology 2006” jointly sponsored by the Centre for Scientific and Industrial Research (CSIR) and the Indian Council of Philosophical Research (ICPR) and hosted by the Department of Philosophy and Religion, Visva-Bharati University, Santiniketan, January 8-10, 2006. Slightly expanded version presented at the Philosophical Society, St. Stephen’s College, University of Delhi, February 3, 2006.
2006b. Respecting the other: Binding and the benefactive marker in Ao-Mongsen. Paper co-presented with Pangersenla Walling at the Iind Conference of the North-East Indian Linguistics Society (NEILS II), jointly organized by the Centre for Research in Language Typology, La Trobe University, Melbourne, Australia, and co-hosted by the Departments of Linguistics and English Language Teaching, Gauhati University, Guwahati, February 6-7, 2006.
2006c. Performance and critical thinking: The agency of women in Tagore’s “Land of Cards”. Invited presentation made at the Amita Sen Memorial Conference on Tagore’s Philosophy of Education (co-organized by Prof. Martha C. Nussbaum, Prof. Amartya Sen, and Prof. Deen K. Chatterjee), Center for the Study of Constitutionalism, University of Chicago, USA, and the Ramakrishna Mission Institute of Culture, Kolkata, March 29-30, 2006.
2006d. Comments on the current scenario on education in India and Tagore’s philosophy of education. As panelist in the Roundtable on Tagore’s Philosophy of Education and Contemporary Issues in Education in India. Amita Sen Memorial Conference, Center for the Study of Constitutionalism, University of Chicago, USA, and the Ramakrishna Mission Institute of Culture, Kolkata, March 29-30, 2006.
2005a. Comments on Stuart Oultram’s treatment of commercial surrogacy. Presentation made (as chair-commentator) at the 2005 International Congress of the Society for Applied Philosophy, St. Hilda’s College, University of Oxford, UK, July 1-3, 2005.
2005b. Globalization confronts the native speaker: Towards a comparison of the Indian and the Vietnamese experiences. Invited paper presented at the Conference on Globalization and its Effects on the Value Systems of India and Vietnam jointly sponsored by the Indian Council of Social Science Research (ICSSR) and the Vietnamese Academy of Social Sciences (VASS), Hanoi, September 5, 2005. Expanded version of the paper presented to the Philosophical Society of St. Stephen’s College, University of Delhi, September 23, 2005.
Member (Life), Linguistic Society of India, since 2002.
Member, Linguistic Society of America, since 2000.
International Associate Member, American Philosophical Association, since 2001.
International Affiliate Member, Forum for European Philosophy, UK and France.
Member, Society for Applied Philosophy, UK, 2005-.
Member, Centre international pour la Recherche interdisciplinaire en Psychiatrie (CIRIP), Denmark and France.