Academic Honours/Awards
- University Grants Commission Career Award for Young Scientists (1980).
- Raman Research Prize-Gold Medal, University of Madras (1980).
Best University Teacher Award (1984), Govt. of Tamil Nadu.
S.S. Bhatnagar Prize in Physical Sciences (1989) (India's highest scientific prize).
Member, National Board for Higher Mathematics (1989-92).
Fellow of the Indian National Science Academy (1992).
Fellow of the Indian Academy of Sciences (1991).
Fellow of the National Academy of Sciences, India (1989).
Prof. G. Sankaranarayanan Endowment Lecturer, Annamalai University (1991).
Tamilnadu Scientists Award (TANSA) – 1993/94.
U.G.C. Hari Om Trust - Meghnad Saha Award in Theoretical Sciences (1990).
Hari Om Ashram Prerit Shri Hari Vallabhdas Chunilal Shah Research Endowment Prize – 1996
Dr. Biren Roy Memorial Lecture Award of INSA – 1998.
Foreign Member,Royal Academy of Sciences, Uppsala, Sweden (1999).
Professor M.M. Thomas Endowment Lectureship Award, Bishop Moore College, Mavelikara (2001)
Awarded ICTP Senior Associate Fellowship, Trieste, Italy (2002-2008).
76th Indian Science Congress Madurai Kamaraj University Distinguished Scientist Award (2004).
Dr. V. Shanmuga Sundaram Endowment Lectureship Award, Annamalai University (2005).
Professor Vishnu Vasudeva Narlikar Memorial Lecture Award of INSA - 2006 (Given in 2008) .
Goyal Prize in Physics 2005 (given in 2008) .
A.C. Banerjee Memorial Lecture Award of National Academy of Sciences -2007.
Conferred Doctor of Science (Honoris Causa) by University of Burdwan for outstanding contribution to Nonlinear Dynamics (2009).
Elected Fellow of the Academy of Sciences for the Developing World (FTWAS)- 2009.