Confrences/Seminar/Workshop:
1. Attended ATM workshop in Commutative Algebra and Algebraic Geometry held at IIT Chennai during 10-23rd June, 2007.
2. Attended National Meet of Research Scholars in Mathematical Sciences (NMRSMS-2007, Sponsored by DST, Government of India, New Delhi) and presented my work on Prime Submodules in Multiplication Modules.
3. Delivered an invited talk on Multiplication modules in one day National Seminar in Algebra at K.B.N. College Vijayawada on 25th October, 2011.
4. Attended "The Legacy of Srinivasa Ramanujan" an international conference held at University of Delhi during 17 - 22 December, 2012.
5. Organized refresher course for college teachers (sponsored by UGC) at CPDHE, University of Delhi, Delhi during 2nd January, 2013 to 22nd January, 2013.
6. Organized Advanced Training in Mathematics School (Instructional School for Teachers in Group Theory) supported by National Centre for Mathematics held at Department of Mathematics, University of Delhi, Delhi during 3-15 June, 2013.
7. Organized National national seminar for research scholars during September 20-21, 2013 at Department of Mathematics, University of Delhi.
8. Organized (With Prof. S.K. Mutto Prof. Kishor Agarwal) a 3week Refresher Course in Mathematics, Computer Science, Operational Research, Statistics from December 14, 2013 to January 04,2014 at CPDHE, University of Delhi, Delhi.
9. Presented my paper "On Beck's Conjecture" in National Conference on Algebra, Analysis and Fuzzy Mathematics during February 21-22, 2014 organized by Department of Mathematics, School of Mathematical Sciences, North Maharashtra University, Jalgaon 425001, India.
10. Delivered an invited talk on March 15, 2014 at Department of Mathematics, Aligarh Muslim University, Aligarh.
11. Presented my paper "Graphical representations of commutative rings" in NATIONAL CONFERENCE ON APPLICATIONS OF MATHEMATICS IN ENGINEERING AND Sciences during November 29-30, 2014 organized by Department of Mathematics, Motilal Nehru National Institute of Technology Allahabad.
12. Presented my paper "Chromatic Number and Isomorphism of Maximal Graphs" in National Conference on `Emerging Trends in Mathematical Sciences (NCETMS-2015)' during March 17-18, 2015 organized by Department of Mathematics, Choudhary Devilal University Sirsa, Haryana.
13. Attended UGC sponsored Orientation Programme during May 25June 20, 2015 at CPDHE, University of Delhi, Delhi-110007.
14. Presented my paper "Diameter of Line Graph associated to a Maximal Graph of a Ring" in INTERNATIONAL CONFERENCE ON MATHEMATICS { 2015 held at Dept of Mathematics, University of Kerala, Thiruvanathapuram (Trivandrum), Kerala during November 26-28, 2015.
15. Presented my paper "A Survey on Line Graphs of various Graphs associated to a Ring" in National conference on Analysis, Differential Equations and Applications to be held at Department of Maths. and Stats, M L Sukhadia University, Udaipur, Rajasthan during February 25-27, 2016.
16. Delivered an invited talk on August 22, 2016 at Agarwal College, Wing II, Ballabgarh on Group and Rings.
17. Delivered an invited talk on August 22, 2016 at Agarwal College, Wing I, Ballabgarh on Field Theory.
18. Organized (With Lalit Kumar) National conference on Algebra, Analysis, Coding and Cryptography (Sponsored by DRDO) held at Department of Mathematics, University of Delhi, Delhi during 14-15 October, 2016.
19. Delivered an invited talk in Workshop on \Applications of Mathematics in Modern Era" during December 20-21, 2016 organized by Institute of Basic Sciences, Dr. B. R. Ambedkar University, Agra.
20. Presented my paper "Eulerian Property of Maximal Graph, Associated Line Graph and Comaximal Graph of a Ring" in International Conference on Recent Advances in Pure and Applied Mathematics 28th Annual Conference of Rajasthan Ganita Parishad during February 13-14, 2017 organized by Department of Mathematics and Statistics, Mohanlal Sukhadia University ,Udaipur, Rajasthan.
21. Attended Research Scholar Seminar Annual Conference of the Society of Mathematical Sciences (Delhi) during May 01-02, 2017 organized by Department of Mathematics, University of Delhi, Delhi.
22. Attended UGC sponsored Refresher course in Mathematical Sciences during June 6-27, 2017 at CPDHE, University of Delhi, Delhi-110007.
23. Delivered an invited talk in International Conference on Recent Advances in Mathematics during February 17-18, 2018 held at Agarwal College, Ballabgarh.
24. Attended UGC sponsored Short Term Course on Research Methodology during December 18-24, 2018 at CPDHE, University of Delhi, Delhi-110007.
25. Deivered a talk on "Minimal ring extensions, λ-extensions, and Delta-extensions of rings" in Conference on “Mathematical Sciences and Development” during December 22-24, 2018 organized by Institute of Basic Sciences, Dr. B. R. Ambedkar University, Agra.
26. Presented my work on "Ring extensions with certain conditions on intermediate rings" in Conference on Algebra, Analysis and Applications organized by Ambedkar University Delhi on May 10, 2019.
27. Attended UGC sponsored Short Term Course on MOOCs, E-Learning and ICT during June 15-21, 2019 at CPDHE, University of Delhi, Delhi-110007.
28. Delivered a contributory talk on "λ-subrings and maximal non λ-subrings" in International Conference on Algebras and its related Topics with Applications ” during December 17- 19, 2019 held at the Department of Mathematics, Aligarh Muslim University, Aligarh.
29. Delivered a talk on "Finite rings with n zero divisors" in National Conference on Application of Mathematical Tools in Social Sciences and Sciences at Zakir Hussain Delhi College, University of Delhi, Delhi during October 17-18, 2020.