✔ Participation in International Conferences since 2005.
✔ Beijing Forum (2005) organised by Peking University from November 16th to 18th at Beijing. (Delhi University Delegation)
✔ Indology Conference (2006) held at Moscow on March 15-16, 2006 and presented a paper titled “Popular Culture in India: Case Studies of Ramlila and Diglossia in Tamil” (ICCR Delegation).
✔ International Conference on Teaching and Learning of World Civilizations on the Web organised jointly by City University, Hong Kong and Peking University, April 2007 and presented a paper titled “Music as an Index of Civilization – The Case of Indian Music.”
✔ Wrap-up meeting of EurIndia Project held at Paris on 5th July 2007.

✔ Short Term Project, Tamil University, 1983 -1984.
✔ EurIndia, Project between the European Union and Delhi University, 2004 – 2007
[Acted as Principal Investigator]

✔ President, Cultural History Section, XVI, Annual Conference, South Indian History Congress, Gulburga University, Gulburga, February 9-11, 1996
✔ President, Section I, Ancient India, Indian History Congress, 57th Session, Madras University, Chennai, December 27-29, 1996.
✔ Sankara Parvathy Endowment Lectures, Madras University, Chennai, 1998.
✔ Endowment Lecture, 5th Annual Session, Tamilnadu History Congress, M.S. University, Tirunelveli, October 24-25, 1998.
✔ Professor Rajendran Endowment Lecture, Loyola College, Chennai, March 21, 2001.
✔ President, Historiography Section, 27th Session A.P. History Congress, Sri Venkateswara University, Tirupati, 4th January, 2003.
✔ Mamidipudi Venkatrangiah Endowment Lecture, 27th Session A.P. History Congress, Sri Venkateswara University, Triupathi, 4th January 2003.
✔ Hari Ram Gupta Memorial Endowment Lecture, Punjab University, Chandigarh, March 2004.
✔ Mamidipudi Venkatrangiah Endowment Lecture, Madras University, Chennai, March 2004.
✔ 51st South India Heritage Lecture, TAG Centre, Chennai, 30th April, 2006.
✔ Keynote Address, 28th Session of South Indian History Congress, Sri Krishnadevaraya University, Anantapur, Andhra Pradesh, January 19-21, 2008.
✔ Delivered Professor S Nurul Hasan Memorial Lecture on August 3, 2010 at Aligarh Muslim University, Aligarh.
✔ Delivered Mathura Lal Sharma Endowment Lecture, Kota Open University, Rajasthan in December 2010.
✔ Delivered a public lecture on invitation from CP Ramasamy Foundation on August 14, 2010 in Chennai.
✔ Invited to deliver Professor KA Nilakanta Sastri Memorial Lecture at Madras University, Chennai in 2011.
✔ Invited to deliver T. Balakrishnan Nair Memorial Lecture at University of Madras, Chennai, 2016.

✔ Life Member, Indian History Congress
✔ Life Member, South Indian History Congress
✔ Life Member, Tamilnadu History Congress
✔ Life Member, Indian Music Congress
✔ Member, Urban History Association of India
✔ Member, Place Name Society
✔ Member, Epigraphical Society of India
✔ Member, World Archaeological Congress
✔ Member, South Indian Numismatic Society
✔ Associate, South Asian Studies, Chicago University 1991 – 1992.
✔ Member of Professional Recruitment Bodies – State and Centre Service Commissions

✔ Is a performing Mridangam artiste.
✔ As a Mridangist, has had the privilege of accompanying veterans Carnatic musicians – Chembai Vaidyanatha Bhagavathar, Alathur Srinivasa Iyer, DK Jayaraman, Ramanad Krishnan, Dr Balamurali Krishna, TM Thiagarajan, TK Govinda Rao, TR Subrahmanyam, TN Seshagopalan, Flute Ramani and many others.
✔ Is a graded artiste of AIR, Doordarshan and empanelled artiste of ICCR.
✔ Produced many documentaries for IOC and other Governmental Organisations.
✔ Participant Director in producing Electronic Reading Material for Distance Education Students of IGNOU in Performing Arts, 2008 – 2009.
✔ Produced a 17-hour video on Tala for Sangeet Natak Akademi in 2013.