1. The Legacy of Sriniwas Ramanujam, by University of Delhi from 17th to 22nd December, 2012.
2. Workshop cum Training Program on Modern Trends in Celestial Mechnics and Astronomy, organized by Deshbandhu College, University of Delhi, from 17th - 19th March, 2010.
3. National Meet on History of athematical Sciences, by Department of Mathematics, University of Delhi, from 7th - 9th January, 2010.
4. Refresher Course in Mathematic, by Acedamic Staff College, Jamia Millia Islamia, New Delhi from 22nd Nov. - 11th Dec. 2010.
5. ICT Workshop for Capacity Building of Delhi University Staff, organized by ILLL Workshop, from 23rd - 28th December, 2009.
6. Refresher Course in Mathematical Sciences, by CPDHE, UNiversity of Delhi, from 5th - 26th October, 2009.
7. International Conference on Recent Trends in Mathematics and Its Applications, by Department of Mathematics, Jamia Millia Islamia, New Delhi, from 30th - 31st March, 2009.
8. International Conference on Operator Theory and Related Areas, organized by Department of Mathematice, University of Delhi from 9th - 12th January, 2008.
9. 4 Weeks Orientation Programme from 3rd April to 1st May 2007.
10. Instructional Workshops on Fractal Geometry and Non-Linear Dynamical Systems, organized by Department of Mathematics, DU. During 4 th -8 th October, 2004.
11. Symposium on Monte Carlo & Computer Simulation Techniques sponsored by CSIR at ARSD College on 19 th November, 2004.
12. Participated & presented a Paper on Over Convergence in the Conference on “Functional Analysis & Its Applications” organized by University of Delhi during 22 nd -25 th January, 1999.
13. 3 Weeks Refresher Course from CPDHE, University of Delhi from 13th May to 2nd June 1998.