2005 “Ethnic Minorities in India’s Democracy” at a workshop on Democracy and Minority Rights and Research Methodology, Dhulikhel, Nepal, February
2005 “Affirmative Action and Scheduled Tribes: A Comparative Analysis”, at a Seminar on Anti-Discrimination and Affirmative Action in a Comparative Perspective, JNU, N.Delhi, April.
2006. Keynote Address at National Seminar on Tribe, Peasant and Modern Identity in the North-Eastern India, circa 18---2000 A.D, March.
2006. Inequality and Peasantry in India at Indo-German Workshop on Inequality, Class and Citizenship, Munich University. September.
2007. Power, Development and Identity: Case Study from India at a Seminar on Power, Development and Identity, UNRISD, Geneva. April.
2007. Keynote Address at a Seminar on Development and tribes in North-East India, Dept. of History, Assam university, Silchar, August
2007. Tribes and Migration at a National Seminar on Women and Migration organized by CWDS, IIC, N.Delhi, September.
2007. Discussant at National Seminar on Sociology of Education, NCERT, N.Delhi, November
2008. North-East as a region at a National Seminar on New Understanding of Northeast India organized by programme for the Study of Northeast India, JNU, N. Delhi, January.
2008. Identity, Power and Rights of Indigenous Peoples at First International Conference of Cordillera Studies, Baguio, Philippines, February.
2008. Autonomy and Tribal Movement, Dept. of sociology, Central University of Hyderabad, February
2008. Social Exclusion and tribes at a Seminar on Re- Imagining India, Dept. of political Science, Zakir Hussain College, N.Delhi, March.
2008. Keynote Address at Workshop on Interrogating Sociology, Dept. of Sociology, University of Mumbai, Mumbai, March.
2008. Tribes and Poverty at Global Civil Society Workshop, TISS, Mumbai, May.
2008. Tea Plantation Workers and their interaction with the Assamese Society, Jorhat College, Jorhat Assam, September
2008. Associationalism and Social Change at National Seminar on Social Change in North-East India, November.
2009. Social Exclusion and Inclusion at a Seminar on Social Exclusion and Inclusion, JNU, N.Delhi, February.
2009. Understanding Social Exclusion in the Context of tribes in India, Special Lecture, Dr.B.R. Ambedkar Central University, Lucknow, march
2009. Tribe and Culture, Special Lecture for Ph.D. Students at Central University of English and Foreign languages University, Hyderabad, April.
2009. Tribe and Middle Class at a Seminar on Middle Class at ICSSR Regional Centre, Mumbai, June.
2009. Tribes; Past, Present and Future at a National Seminar on Development and Change of tribal Communities in India at IIC, N.Delhi, August.
2009. Social Exclusion and Subaltern at a National Seminar on Repositioning Subalternity in Globalized India: The Dynamics of Social Exclusion at Banaras Hindu University, Varanasi, November
2009. Lecture on Empowerment of the Subaltern Movement of the Dalits, Tribals and Women in India at Vidyajyoti College of Theology, Delhi, November.
2009. Women and Migration in North-East India at CWDS Consultation on Women and Migration at OKD Institute of Social Studies, Gauhati, December.
2009. Revisioning Growth and Development: An Adivasi Perspective at National Consultation on Adivasis in India: Emerging Themes, Issues and Challenges, India Islamic Centre, December.
2009. Modernity and Tradition in Tribal Society at a National Seminar on Modernity and Tradition of tribal Society held at KIRTADAS, Kozikode, December.
2009. Valedictory Address at a National Workshop on Tribal Health: Status, Challenges and Possibilities at Tribal Research and Development Institute Bhopal, December.
2010. Census and Tribal Religion at a Workshop on Census and tribes at ISI, N.Delhi, January.
2010. Valedictory Address. National Seminar on Social Research in North-East India: Issues and Challenges, NEISP, JNU, N.Delhi, February.
2010. Discussant on Paper ‘ Forest Rights Act and Polemics of Correcting Historical Injustice’ at Research Workshop on Globalization, Democracy, Gender and Citizenship, CRG, Kolkata, March.
2010. Keynote Address at First ICSSR North-East Social Scientist Meet on Crisis on Social Science Research, NERC/ICSSR, Shillong, March.
2010. Understanding Ethnicity in North Bengal at National Seminar on Ethnicity and Social Unrest, North Bengal University, Siliguri, March.
2010. Social Exclusion and Tribe at a Workshop on Inclusive Goals, Exclusive Practices, CSSS, Kolkata, April.
Public Service / University Service / Consulting Activity
2005-09: Advisory Committee of UGC Special Assistance Programme for Dept. of Sociology, University of Mumbai.
2008-2012: Advisory Committee of UGC Special Assistance Programme for the Dept.of Sociology, North Bengal University.
2007-2008: Expert Committee Member for UGC Scheme on Study of Social Exclusion and Inclusive Policy
2007-2008. Expert Committee Member of UGC Committee to work out and access the feasibility of Diversity Index and Evaluating a System of Grant based it.
2007-2008. Expert member, UGC Committee to assess higher education needs of Jhabua district, M.P.
2007-2008. Member, ICSSR Review Committee constituted for evaluation of its institutes and centres in the Eastern Region.
2003-05: Governing Board, A .N. Sinha Institute of Social Studies, Patna
2002-04; 2004-06: Governing Board, Indian Social Institute, N.Delhi.
2003-05: Senate, Vidyajyoti College of Theology, Delhi.
2003-2005: Court, North-Eastern Hill University, Shillong.
2005-07: Governing Board, G.B. Pant Social Science Institute, Allahabad.
2008-2011: Council Member, Indian Council of Social Science Research, N.Delhi
2008-11: Governing Board, G.B. Pant Social Science Institute, Allahabad.
2009-11: Governing Board, Giri Institute of Labour Studies, Lucknow.
2008-2011: Advisory Committee, Centre for the Study of Social Exclusion and Inclusive Policies, Manipur University.
2008-2011: Advisory Committee, Centre for the Study of Social Exclusion and Inclusive Policies, Goa University.
2010-2012: Member, Academic Council, TISS, Mumbai.
2010-2012: Member, Executive Council, North-Eastern Hill University, Shillong.
Worked as resource person for many NGOs and other civil society organizations.
2005. “Electoral Reservations for Scheduled Tribes: The Legitimization of Domination” in Stephanie Tawa Lama-Rewal (ed.), Electoral Reservations, Political Representation and Social Change in India. A Comparative Perspective, Manohar/Centre De Sciences Humaines, N.Delhi.
2006. ‘Tribes, Conversion and the Sangh Parivar’ in Ram Puniyani (ed.) The Politics behind Anti-Christian Violence. Media House, Delhi
2006. ‘Women and Gender in the Study of Tribes in India’ in Sumit Sarkar and Tanika Sarkar (ed.) Women and Social Reform in Modern India, Vol. 2. Permanent Black, N.Delhi (Reprinted).
2008. ‘Tribe and Justice’ in Rajeev Bhargava, Michael Dusche, Helmut Reifeld (ed.). Justice. Political, Social, Juridical. Sage Publications. N.Delhi.
2008. ‘Women and Gender in the Study of Tribes in India’ in Mary E. John (ed.) Women’s Studies in India. A reader. Penguin Book, N.Delhi (Reprinted).
2008. ‘Tribe, Conversion and the Sangh Parivar’ in Kunnumpuram Kurien, SJ (ed.) Force, Fraud or Free Choice? Interdisciplinary Perspectives on Conversion. The Bombay Saint Paul Society, Bombay.
2008. ‘The Concept of Indigenous Peoples in India’ in Christian Erni (ed.) ‘The Concept of Indigenous Peoples in Asia. A Resource Book’. International Working Group for Indigenous Affairs and Asia Indigenous Peoples Pact Foundation. Copenhagen/ Chiang Mai
2009 ‘Tribes, Conversion and the Sangh Parivar’ in Dharmendra Kumar and Yemuna Sunny (ed.), The Proselytisation in India. The Process of Hinduisation in Tribal Societies. Aaker Books, Bhopal.
2009. Tribes and Poverty Discourse in Ashwani Kumar et al. (ed.) Global Civil Society 2009. Poverty and Activism, Sage publications, London.
2010. Tribal Identities and Cultural Changes: Aspects of Exclusion and Inclusion in D.P. Chattopadhyaya (General Editor.), History of Sciences, Philosophy and Culture in Indian Civilization, Vol. XIV, Part 2(Social Sciences: Communication, Anthropology and Sociology (ed.), Yogendra Singh. Pearson Longman.
2010. ‘Tribes’, Tradition and State in IIAS (International Institute of Asian Studies) Newsletter, No.53.
2010. Social Inequality and Peasantry: The Evolving Trajectory in T.K. Oommen (ed.), Classes, Citizenship and Inequality: Emerging Perspectives, Pearson Education, N.Delhi.