1. A paper presentation on ``A generalization of Bevelacqua's irreducibility criterion'' in the National Symposium on Mathematics and Its Applications organized by IIT Madras, Dec. 22, 2021.

  2. Delivered an invited talk online on ``The Mathematical Legacy of Ramanujan'' at Indira Gandhi University Meerpur, Haryana on December 22, 2021.

  3. Acted as a resource person in the two-week skill based short term course on MATLAB Programming, Department of ICT, Chaudhary Bansi Lal University, Bhiwani, Haryana (Nov.11-17,2021) and delivered two invited talks.

  4. Acted as a resource person and delivered an invited talk online on ``Some glimpses of Calculus'' in the Refresher Course on Mathematical tools for Physical and Computational Sciences (24/09/21-08/10/21), HRDC, Dr. Hari Singh Gour Vishwavidyalaya, Sagar MP, September 27, 2021.

  5. An invited talk (online) titled An axiomatic approach to circular functions in a National Webinar on New Trends in Mathematical Modelling at PG Department of Mathematics, Swami Swatantranand Memorial College, Dinanagar, December 05, 2020.

  6. (New) An invited talk (online) titled Mathematics is a Game for Participants as a guest speaker at PG Department of Mathematics, Guru Nanak Dev University College, Narot Jaimal Singh, Pathankot, November 11, 2020.

  7. (New) Two invited talks (online) in the Refresher Course in Mathematics/Statistics at HRDC B.P.S. Women University Khanpur Kalan, Haryana on October 24, 2020: (a) On non-geometric notions of sine and cosine functions (b) Some smart Calculus proofs

  8. A series of five invited talks (online) in a two week workshop on Scientific Computing using MATLAB and PYTHON(SCMP2020) organized by Department of Mathematics, J. C. Bose University of Science and Technology, YMCA, Faridabad during September 7-18, 2020. The lectures are available on YouTube. Here are the links: L1 L2 L3 L4 L5

  9. An invited talk (online) titled Some Fresh Calculus Proofs in the one day National E-Seminar in Mathematical Sciences held at Government Tulsi College Anuppur, MP on August 05, 2020.

  10. An invited talk (online) titled From Calculus to Cohomology in the international webinar on Recent trends in Mathematical Sciences organized by HMV Jalandhar on July 28, 2020.

  11. An invited guest lecture (online) on The beauty of Calculus in a webinar organized by S L Bawa DAV College Batala, Punjab on July, 09, 2020.

  12. Delivered 4 invited talks in Faculty Development Program of HRDC PU on Mathematical Computational Skills: A Practical Approach held at Department of Mathematics, Panjab University Chandigarh during Jan 9-11,2020.

  13. An invited talk on Numerical solutions of Two-Point BVPs using MATLAB, TEW on Computational Methods for Solving Differential Equations, held at IKGPTU in collaboration withTIFR NCM and IIT Bombay, Dec. 28, 2019

  14. An invited talk on Numerical solutions of nonlinear algebraic equations and IVPs using MATLAB, TEW on Computational Methods for Solving Differential Equations, held at IKGPTU in collaboration withTIFR NCM and IIT Bombay, Dec. 28, 2019.

  15. An invited talk on Basics of MATLAB Programming, TEW on Computational Methods for Solving Differential Equations, held at IKGPTU in collaboration withTIFR NCM and IIT Bombay, Dec. 27, 2019

  16. An invited talk on Shooting Method for Two-Point Boundary Value Problems, TEW Computational Methods for Solving Differential Equations, held at IKGPTU in collaboration withTIFR NCM and IIT Bombay, Dec. 27, 2019.

  17. An invited talk on A Taste of Calculus, Refresher Course in Mathematics, HRDC, Guru Nanak Dev University Amritsar, Nov. 13, 2019.

  18. An invited talk on The Topology of Real Line, Refresher Course in Mathematics, HRDC, Guru Nanak Dev University Amritsar, Nov. 12, 2019.

  19. An invited extension lecturer on Calculus from Newton to Lebesgue at Department of Mathematics, Hans Raj Mahila Mahavidyalya Jalandhar, October 5, 2019.

  20. A series of four invited talks in Lecture Series: Partial Differential Equations and Applications, Thapar Institute of Engineering and Technology, Patiala, March 29-30, 2019. (Lecture 1)

  21. An invited talk on An Introduction to Energy Method and Nonlinear Convection, School on Nonlinear Dynamics, Department of Physics, Guru Nanak Dev University, Dec. 6, 2018.

  22. An Invited talk on Golden Ratio and Fibonacci Numbers in Nature, Human Resource Development Centre, Guru Nanak Dev University. Nov. 21, 2018.

  23. A Guest Lecture on An introduction to Fourier Analysis. Chitkara University, HP, March 24, 2017

  24. A Guest Lecture on Calculus, Pt. Mohan Lal S. D. College for Women, Gurdaspur, March 31, 2015: Calculus

  25. A Presentation on Fibonacci numbers in Nature, Academic Staff College, GNDU ASR, December 7, 2013.

  26. Contributed Talk on Defining power sums of $n$ and $\varphi(n)$ integers, The Legacy of Ramanujan, University of Delhi, Dec. 18, 2012:

  27. A Presentation on Geometry of Nature, Academic Staff College, GNDU ASR, May 14, 2012

  28. A talk on Modulated Rayleigh-Benard convection in ferrofluids, Indian Statistical Institute Kolkata, Dec. 5, 2011

  29. A contributed talk on Power Sums of $n$ and $\varphi(n)$ Integers, International Congress of Mathematicians (ICM 2010), Hyderabad Convention Center, 2010.

  30. A talk on Suspended Sediments on onset of alternate river bars, School of Engineering, University of Warwick, July 2010.

  31. A series of 4 lectures on Introduction to random number generation, Academic Staff College, Guru Nanak Dev University Amritsar, 2009.