2006- 2011, Pro-Vice-Chancellor | University of Hyderabad, Hyderabad.
1985- 2016, Professor | University of Hyderabad, Hyderabad.
2000-2005, Dean | University of Hyderabad.
1978-1984, Reader | University of Hyderabad.
1972-1978, Lecturer/ Reader | Madurai University.
Research Interests
Links between Topology and Category Theory.
Topological Dynamics and Chaos Theory.
Ordinal Invariants in Topology.
Awards & Fellowships
2018 Title “Vidvan-mani”,HayagrivaVidyaPeetam,Chennai (from Governor of Tamilnadu).
2016 Honorary D. Litt. ( “Vachaspati”) from Rashtriya Samskruta Vidya Peet, Tirupati.
2012 Fellow, National Academy of Sciences, Allahabad.
2006 ISCA Srinivasa Ramanujan Award (from the Prime Minister of India).
1985-86 National Lecturer, UGC.
1992-93. President, Indian Mathematical Society.
1995 Fellow, Indian National Science Academy, Delhi.
1994 Fellow, Indian Academy of Sciences, Bangalore.
Title “Jnana-Nidhi” from the Academy of Sanskrit Research, Melukote (from the Chief Minister of Karnataka).
Title “Rahasya-artha-kovida” from Srirangam Srimad Andavan Asramam.
2012 Degree Honoris Causa during “World Sanskrit Conference, Delhi”.
Totadri Iyengar Award for excellence in Mathematics, Chennai.
Fellow, Andhra Pradesh Academy of Sciences.
UGC nominee in the Advisory Committees of (1) Kerala University, Thiruvananthapuram (2) Karnatak University, Dharwad. (3) Madras University. Also UGC nominee in the Governing Board of two autonomous colleges. (Formerly) Chairman, CSIR Advisory committee for Bhatnagar Award in Mathematical Sciences. Chairman, DST Committee for Swarnajayanti Fellowships, etc
