SELECTED PRESENTATIONS

S.No
TITLE
1. Invited Talk at the Canadian Mathematical Society, Winter Meeting, University of British Columbia, Canada, December 1980.
2. Invited Talk at the Conference on Qualitative Theory of Differential Equations, University of California, Davis, USA, January 1981.
3. Talk at the 87th annual meeting of the American Mathematical Society, Sanfrancisco, USA, January 1981.
4. Talk at the International Conference on Population Biology, Claremont, California, USA, January 1981.
5. Talk at Equadiff-5, Conference at Bratislava, Czechoslovakia, August 1981.
6. Invited Colloquim Lecture, University of Victoria, Victoria, Canada, April 1981.
7. Talk at the International Conference on Population Biology, University of Alberta, Edmonton, Canada, June 1982.
8. Instructional Conference on Competition Models in Ecology, Utah State University, Logan, USA, July 1982.
9. Talk at Equadiff'82, Wurzburg, Germany, 1982.
10. Talk at Eleventh Mid West Conference in Differential Equations, University of Nebraska, Lincoln, USA, October 1982.
11. Talk at Instructional Conference on Differential Equations, University of Alabama, Birmingham, USA, 1983.
12. Invited Colloquim Lecture at Iowa State University, Ames, USA, March 1983.
13. Talk at the International Conference on Qualitative Theory of Differential Equations, University of Alberta, Edmonton, Canada, June 1984.
14. Talk at the fourth Pacific Coast Resource Modeling Conference, California Polytechnic State University, San Luis Obispo, USA, June 1985.
15. Talk at the International Conference on Differential Equations, Oscillations, Bifurcation and Chaos, 1986, University of Toronto, Canada, July 1986.
16. Invited Lecture at the First Biennial Conference on Ramanujan's Centenary Celebrations, Allahabad Mathematical Society, India, November 1987
17. Chaired a Research Paper reading session and delivered an Invited Lecture at the Geoffrey J. Butler memorial conference, University of Alberta, Edmonton, Canada, June 1988.
18. Invited Talk at the National Symposium on Boundary Value Problems and Generalized Inverses, Andhra University, Waltair, India, Aug-Sep 1988.
19. Invited Lecture Series of three lectures on Delay Differential Equations and their Applications to Biological Systems, University of Hyderabad, India, May 1991.
20. Invited Seminar Lecture on Second Order Nonlinear Oscillations, Harish Chandra Research Institute for Mathematical Sciences, Allahabad, India, May 1992.
21. Invited Lecture on Stability of Delay Differential Equations, Workshop on Ordinary Differential Equations, University of Alberta, Edmonton, Canada, June 1992.
22. Invited Talk at the second Geoffrey J. Butler memorial conference on Differential Equations and Population Biology, University of Alberta, Edmonton, Canada, June 1992. Also Chaired a Session.
23. Invited Colloquium Lecture at National University of Singapore, Singapore, July 1993.
24. Invited Lecture in National Symposium on Nonlinear Analysis and Applications to Real World Problems, NES Science College, Nanded, India, December 1994.
25. Invited Lecture series of 5 lectures on Stability of Differential Equations and Applications to Neural Networks , Pondicherry University, Pondicherry, India, Feb 1995.
26. Participated in Fourth Asian Test Symposium on VLSI., Banglore, India, November 1995.
27. Participated in IXth International Conference on VLSI Design: VLSI in Mobile Communications, Banglore, India, Jan 1996, Also Chaired a Session.
28. Invited Lecture in the International Workshop on Difference and Differential Inequalities, Middle East Technical University, Ankara and Tubitak - Marmara Research Center, Istanbul, Turkey, July 1996.
29. Participated in the International Conference on Nonlinear Differential Equations and Inequalities, A Golden Jubilee Event of Tata Institute of Fundamental Research, Banglore, India, August 1996.
30. A Series of 5 Lectures on Neural Networks, Dr. Baba Saheb Ambedkar Marathwada University, Aurangabad, India, 1997.
31. Invited Lecture at Prof. B. B. Sen Birth Centenary Celebration National Seminar on Emerging Areas of Applicable Mathematics, Jadavpur University, Calcutta, India, March 1998. Also Chaired a Session.
32. Invited Lecture at the National Conference on Mathematical Modeling of Biological, Ecological and Environmental Systems, Jadavpur University, Calcutta, India, March 1999. Also Chaired a Session.
33. Invited Colloquium Lecture at York University, Toronto, Canada, June 2000.
34. Invited Lecture at the International Conference on Nonlinear Systems: Modeling, Simulation and Applications, N. E. S. Science College, Nanded, India, Dec 2000. Also Chaired a Session.
35. Invited Lecture on 'Principles of Mathematical Modeling', at the International Workshop on Current Trends in Mathematical Modeling of Real World Problems at B. M. Birla Science Centre, Hyderabad, India, Feb 2003.
36. A Distinguished invited speaker for an Endowment Lecture: Fifth Phanidhar Datta Memorial Lecture on " The Art of Mathematical Modeling " on 18th Sep, 2003 at Gauhati University, Gauhati, Assam, India.
37. Delivered 10 invited lectures on "Numerical Methods and Optimization Techniques" in Advanced Course in Bio Informatics, Jointly organized by IICT, CDAC and JNTU during 13-24 Sep 2004.
38. An invited Lecture on 'Projections and Predictions for the New Millennium' at the International Symposium on IT FOR REAL WORLD PROBLEMS organized by Vaagdevi College of Engineering, Warangal, December 2005.