Central simple algebras with derivations, Indian Institute of Science Education and Research Pune, July 10, 2024.

Word maps in p-groups, Workshop in Group Theory, Indian Institute of Science Education and Research Pune, February 24, 2024.

Role of language in learning mathematics : some experiments in an undergraduate classroom, Education 2.0 : New Horizons in Teaching, Learning and Assessment, BITS-Pilani, Goa Campus, January 03, 2024.

Webinar Life and Work of Srinivasa Ramanujan, Maitreyi College, Delhi, December 22, 2023.

Webinar Mathematics without borders : UGC-HRDC Refresher Course, Punjabi University, Patiala, December 13, 2023.

Webinar इबारती सवालों की भाषा का सवाल, Pathshala webinar series of Azim Premji University, November 22, 2023. 

Chirality in images of word maps, Stat-Math Unit Seminar, Indian Statistical Institute Delhi, May 29, 2023.

Chirality and 𝛄-chirality in groups, Workshop in Group Theory, Indian Institute of Science Education and Research Pune, January 14, 2023.

Linear Groups (a series of four lectures), Annual Foundation School-1, Indian Institute of Technology Jodhpur, December 19-22, 2022.

Pure, Applicable and Applied : Mathematics without borders, Cynosure 2022, Indian Institute of Technology Ropar, December 10, 2022.

Webinar Mathematization : Social and Technological Perspectives, Vigyan Utsav : Basic Sciences for Atmanirbharta under Azadi ka Amrit Mahotsav, Punjab State Council for Science and Technology, June 17, 2022. 

Webinar Life and Work of Srinivasa Ramanujan: Punjab University, Chandigarh / ARSD College, Delhi University, December 22, 2021.

Webinar Quaternion Algebras with Derivations, Indian Statistical Institute, Delhi, December 01, 2021.

Webinar Images of word maps and chirality: NCM Workshop on Finite Groups of Lie Type, August 2021.

Webinar Abstraction in Mathematics : Is it really needed? : St. Stephen's College, Delhi, April 10, 2021.

Webinar Ramanujan : Life and Work : St. Xavier's College, Goa, March 13, 2021.

Webinar Extracting Roots in Groups and Matrices : Indian Women and Mathematics Regional Workshop, IIT Bhilai, February 21, 2021. 

Webinar A series of three lectures on groups and spatial symmetry : Miranda House, Delhi, January 27-29, 2021.

Webinar Word maps and Goto's method : Group Theory Sangam, January 19, 2021.

Webinar The World of Mathematics Beyond Numbers, Pushpa Gujral Science City, Punjab and Himachal Pradesh Council for Science, Technology and Environment, December 22, 2020.

Webinar Image of power maps in linear groups, Chandigarh Science Congress 2020, Panjab University, Chandigarh, December 18, 2020.

Webinar From Linear Algebra to Google : Teachers' Enrichment Workshop, IIT Jodhpur, November 29, 2020.

Webinar Teaching mathematics at undergraduate level : UGC-HRDC Refresher Course, Punjabi University, Patiala, November 19, 2020.

Webinar Constructing mathematics : A demonstration : UGC-HRDC Refresher Course, Punjabi University, Patiala, November 18, 2020.

Webinar रामानुजन : जीवन और गणितीय यात्रा, रामानुजन यात्रा श्रृंखला, विज्ञान प्रसार, अक्टूबर 10, 2020.

Webinar Orbits and stabilizers, Symmetry in Sciences and Engineering : University of Mumbai, September 16, 2020.

Webinar Mathematics without borders, Faculty Development program, Interconnections between Science and Technology : UIET, Panjab University, Chandigarh, August 04, 2020. 

Images of word maps, Workshop on Group Theory : IISER Pune, February 15, 2020.

Applicative aspects of Linear Algebra : M.M. Modi College, Patiala, January 18, 2020.

स्नातक स्तर पर गणित शिक्षण और चुनौतियाँ, शिक्षा के सरोकार संगोष्ठी, अज़ीम प्रेमजी विश्वविद्यालय व शिक्षा विभाग, दिल्ली विश्वविद्यालय, अक्टूबर 12, 2019.

Word maps on groups, Ambedkar University, Delhi, October 10, 2019.

Splitting of differential central simple algebras, Maltsev Meeting 2019, Sobolev Institute of Mathematics, Novosibirsk, Russia, August 19, 2019.

Some Applications of Linear Algebra, Refresher Course for Teachers, Hansraj College, Delhi, June 24-25, 2019.

Word maps on groups, Workshop on Group Theory : IISER Pune, February 23, 2019

Pi, Pizza and Ramanujan, Akal University, Bathinda, February 14, 2019.

गणित शिक्षण और भाषा का अन्तर्सम्बन्ध, शिक्षा के सरोकार संगोष्ठी, अज़ीम प्रेमजी विश्वविद्यालय व भारतीय विज्ञान शिक्षा एवं अनुसंधान संस्थान मोहाली, अक्टूबर 13, 2018.

Lecture on Galois Theory, Instructional School for Teachers : Fields and Algebraic Number Theory, IIT Mandi, June 4-9, 2018.

Make them feel mathematics, Kendriya Vidyalaya Sangathan (Chandigarh Region), May 22, 2018.

p-adic Numbers, Teachers' Enrichment Workshop : Connections across disciplines in mathematics, IISER Mohali, December 17-22, 2017.

Groups around us, Science Academies' Workshop, Ranchi College, September 22-23, 2017.

Groups - are they really useful, Two day workshop in Algebra, Miranda House, Delhi, March 2-3, 2017.

Innovative strategies to enable mathematics learning at senior secondary level, Kendriya Vidyalaya Sangathan (Chandigarh Region), December 29, 2016.

Primes, Pineapple and a Missing Square, Ramanujan Quiz 2014, Delhi Public School, Chandigarh, November 14, 2014.

Advanced Instructional School : Quadratic Forms IISER Mohali, June 2-21, 2014.

A quick introduction to GAP, Teachers' Enrichment Workshop on Group Theory, Punjabi University, Patiala, May 28, 2014.

R-equivalence in classical groups, Groups and Representations, IISER Pune, May 24, 2013.

Group Actions and Sylow Theorems (a lecture series), Annual Foundational School-II, Punjab University, Chandigarh, June 2011.

Advanced Training in Mathematics : Workshop on Geometric Group Theory, IISER Mohali, May 11-16, 2011. 

Ramification sequences of central simple algebras, Geometry Seminar, TIFR Centre, Indian Institute of Science Campus, Bangalore, December 14, 2007. 

When do subfields determine quaternion algebras?, Colloquium Talk, Indian Statistical Institute Bangalore,  July 5, 2007.

Valuation-like functions on central simple algebras and an application, Harish-Chandra Research Institute, Allahabad, April 23, 2007.

An analogue of a theorem of Bröcker and Prestel, Louvain-la-Neuve & Lens joint seminar, Université Catholique de Louvain, Louvain-la-Neuve (Belgium), December 11, 2006.

Similarity factors of hermitian forms over number fields, K-Theory and Quadratic Forms Seminar, University College Dublin, Dublin (Ireland), November 29, 2006. Expressing integers as sums of squares, cubes and higher powers, PhD students' annual meeting, , Han-sur-Lesse (Belgium), May 29, 2006.

R-equivalence and quotients of multipliers, Séminaire Variétés Rationelles, Université Paris-Sud, Orsay (France), March 10, 2006.

Subgroups of F* associated to quadratic and hermitian forms, Louvain-la-Neuve & Lens joint seminar, Université Catholique de Louvain, Louvain-la-Neuve (Belgium), December 19, 2005.

Adjoint classical groups and R-equivalence, Colloquium Talk, Tata Institute of Fundamental Research, Mumbai, August 18, 2005.

R-equivalence in algebraic groups, Colloquium on Algebra, Hyderabad Central University, Hyderabad,  July 6, 2005.