Positions held
Professor of Eminence, Centre for Nonlinear Dynamics, Bharathidasan University since 1 July 2006
DST Ramanna Fellow since 1 July 2007
DAE-BRNS Raja Ramanna Fellow (2006-2007; 2011- )
Professor and Head, Department of Physics, Bharathidasan University, Tiruchirapalli (1994-2006); Head, Centre for Nonlinear Dynamics (1992-2006)
Professor of Physics, Bharathidasan University, Tiruchirapali, India (July 1984 onwards)
Honorary Professor, S.N. Bose National Centre for Basic Sciences, Calcutta (1989-94)
Reader in Physics, Bharathidasan University (1982-84).
Reader in Physics, University of Madras Autonomous Post- Graduate Centre, Tiruchirapalli – (1978-82).
Post-doctoral Fellow : University of Tuebingen, W.Germany (1976-77); Eindhoven University of Technology, Holland (1977-78).
Research Fellow/Research Assistant, University of Madras (1970-76).
Long Term Fellowships/Visiting Positions held Abroad
Japan Society for Promotion of Science Fellowship, Kyoto University, Kyoto, Japan (1984-85).
Swedish Natural Science Research Council Guest Scientist (1981, March-June).
Royal Society and Nuffield Foundation Bursary, University of Manchester Institute of Science and Technology, U.K. (1979-80).
Alexander von Humboldt Foundation Fellow, University of Tuebingen, (1976-77); Univ. of Hanover (1982,April-May), W. Germany.
Eindhoven University of Technology, Holland Post-doctoral Fellow (1977-78).
Short term Visiting Positions Abroad/Other Institutions
International Centre for Theoretical Physics,Trieste, Italy (May-Aug. 1975; April-June 1986).
Institute of Theoretical Physics, University of Utrecht, Holland (Aug-Oct. 1975).
NATO Advanced Study Institute, Banff, Alberta, Canada (Aug. 1980).
Department of Mathematics, University of Melbourne/University of Adelaide, Australia (Feb-March 1983).
Centro di Cultura A. Volta, Como, Italy (July 1988).
Fudan University, Shanghai, China (April 1989).
Department of Science and Technology-USSR Academy of Sciences Long Term Programme Visitor to USSR (July- Aug. 1990).
Indian National Science Academy-Polish Academy Exchange Programme Visitor to Poland (Jan/Feb.1991).
Indo-Greek Cultural Exchange Programme Visitor to Greece (July 1991).
Visiting Scientist at Indian Institute of Science, Bangalore (June 1976); Indian Institute of Technology Madras (Feb 1982).
Visiting Guest Professor, at the Department of Mathematics, Pondicherry University, Pondicherry May (1988).
Department of Science & Technology Theoretical Physics Seminar Circuit Speaker (Six times, 1989, 1991, 1993, 1995, 1999-2000 ) visiting institutions at Bombay, Ahmedabad, Bhubaneshwar, Calcutta, New Delhi, Kanpur, Hyderabad, etc..
INSA - Royal Society Visitor to U.K. during Sept.-Nov.1996.
Indo-Finnish Cultural Exchange Programme Visitor to University of Turku, Finland, November 1997.
Swedish Natural Science Research Council Visiting Scientist, University of Uppsala, Sweden, May 1999.
INSA-Royal Netherlands Academy Visitor Holland, Sept. 1999.
Invited Speaker in numerous conferences all around the world periodically.
Visitor to Ukraine/Bulgaria, 2001.
Visiting Scholar, Princeton University, U.S.A., May-June 2002.
JSPS Invitation Fellow, Osaka City University, Osaka, Japan 1 October – 30 November 2002.
Visitor, Institute of Physics, University of Potsdam, Germany during November 2004
INSA-French Academy of Sciences Visitor to France during 14-28, March 2005
Visiting Scientist, Los Alamos National Laboratory, U.S.A., May-June 2006
JSPS Invitation Fellow, University of Tokyo, Japan 15 July 2006 – 15 September 2006
Visiting Scientist, Los Alamos National Laboratory, U.S.A., August –October 2007
Invited Speaker in the Robin Bullough Memorial Meeting at University of Manchester, U.K. during 10-11, June 2009
Invited Speaker in the International Conference on “Nonlinear Evolution Equations and Dynamical Systems-2009” held at Isola Rossa, Sardinia, Italy during May 16-23, 2009
Invited Speaker in the SIAM Conference on “Nonlinear Waves and Coherent Structures (NW08)” was held at Rome (Italy), during 21-24 July 2008.
Invited Speaker at the International Conference on “Symmetry plus Integrability" held at the South Padre Island , Texas during June 10-14, 2011.
Invited Speaker at the Physcon-2011 conference held at Leon, Spain during September 4-8, 2011.