 Invited
 On braided compact quantum groups
Virtual Math Fest 2020, Institute of Mathematical Sciences Chennai, India, July 20, 2020.
 Quantum E(2) groups and beyond
IISERNISER Mathematics Webmeet 2020 (Operator Algebra/Theory session), Indian Institute of Science Education and Research Mohali, India, July 17, 2020.
 Quantum E(2) groups for complex deformation parameter
Conference on Functional Analysis (CFA@IITB 2019), Indian Institute of Technology Bombay, India, October 18, 2019.
 Braided quantum E(2) groups
Recent Advances in Operator Theory and Operator Algebras 2018 (OTOA 2018), Indian Statistical Institute Bangalore, India, December 14, 2018.
 Braided compact quantum groups
2nd Inter IISERNISER Math Meet 2018 (Analysis session), Indian Institute of Science Education and Research Bhopal, India, July 7, 2018.
 Braided quantum group structure on quantum plane
XXXVI Workshop on Geometric Methods in Physics, Białowież (in the S. Twareque Ali Memorial Session), Poland, July 6, 2017.
 Braided C*quantum groups and quantum plane
NonCommutative Analysis, Institute of Mathematical Sciences Chennai, India, February 7, 2017.
 Braided free orthogonal quantum groups
Recent Advances in Operator Theory and Operator Algebras 2016 (OTOA 2016), Indian Statistical Institute Bangalore, India, December 19, 2016.
 Intrinsic groups of double crossed products
Workshop on Dynamical Systems and Operator Algebras, University of Ottawa, Canada, May 31, 2016.
 Duality for convex monoids
Winter meeting of the Canadian Mathematical Society in the Operator algebra session, Montreal, Canada, December 7, 2015.
 Faithful actions of locally compact quantum groups on classical spaces
Banach Algebras and Applications and Retrospective Meeting for the 2014 Thematic Program on Abstract Harmonic Analysis, Banach and Operator Algebras, Fields Institute, Canada, August 8, 2015.
 Slices of braided multiplicative unitaries
Summer meeting of the Canadian Mathematical Society in the C*algebra session, Charlottetown, Canada, June 6, 2015.
 Quasitriangular quantum group twisted tensor product of C*algebras
Fields workshop on Recent Developments in Quantum Groups, Operator Algebras and Applications, University of Ottawa, Canada, February 6, 2015.
 The Haagerup property of the generalised Drinfeld double
Workshop on Operator Spaces, Locally Compact Quantum Groups and Amenability (Thematic Program on Abstract Harmonic Analysis, Banach and Operator Algebras), Fields Institute Toronto, Canada, May 29, 2014.
 Quantum group with projection
Quantum Geometry and matter, SISSATrieste, Italy, April 10, 2013.
 Quasitriangular quantum groups and coaction category
10th Geometry and Physics Conference "Quantum Geometry", Crete, Greece, August 7, 2012.
 Homomorphisms of Quantum Groups
Operator Algebras and Quantum Groups  conference in honour of Stanisław Lech Woronowicz's seventieth birthday, Warsaw, Poland, September 20, 2011.
 Contributed
 Quantum symmetries of the twisted tensor products of C*algebras
"Noncommutative Geometry: Physical and Mathematical Aspects of Quantum Space Time and Matter", SNBNCBS, Kolkata, India, November 29,
2018.
 Quantum symmetries of the twisted tensor products of C*algebras
18th Workshop: Noncommutative Probability, Operator Algebras, Random Matrices and Related Topics, with Applications, Będlewo, Poland, July 18, 2018.
 Braided commutative representations of C*algebras
Canadian Operator Algebra Symposium (COSy), Fields Institute Toronto, Canada, June 23, 2014.
 C*Quantum group with projection (Poster)
SFBWorkshop Groups, Dynamical Systems and C*Algebras, Münster, Germany, August 21, 2013.
 Quasitriangular C*quantum groups and braiding (Poster)
6th European congress of Mathematics, Krakow, Poland, July 34, 2012.
 Semidirect product of C*Quantum Groups
Master class on Quantum Groups, Copenhagen, Denmark, March 8, 2012.
 Homomorphisms of Quantum Groups,
7th International Conference Quantum Theory and Symmetries, Prague, Czech Republic, August 11, 2011.
 Homomorphisms of Quantum Groups,
XXX Workshop on Geometric Methods in Physics, Białowież, Poland, June 26, 2011.

 2019
 Braided compact quantum groups: motivation and examples, Department of Mathematics and Statistics, Indian Institute of Science Education and Research Kolkata, India, July 22.
 Braided Quantum Groups in C*algebraic framework, School of Mathematics, Tata Institute of Fundamental Research Mumbai, India, May 24.
 Quantum plane and duality, Department of Mathematics, Indian Institute of Technology Bombay, India, February 22.
 2018
 Symmetries and Quantum Groups, Center for Theoretical Studies, Indian Institute of Technology Kharagpur, India, November 26.
 From CCR to quantum groups, Center for Theoretical Studies, Indian Institute of Technology Kharagpur, India, August 24.
 Semidirect product of groups and beyond, Department of Mathematics, Indian Institute of Technology Guwahati, India, May 23.
 Semidirect product of groups and beyond, The Institute of Mathematical Sciences Chennai, India, March 19.
 Quantum Symmetries of twisted tensor product of C* algebras, StatMath Unit, Indian Statistical Institute Kolkata, India, February 2.
 2016
 Semidirect product of compact quantum groups, Department of Mathematics, Indian Institute of Science Education and Research Mohali, India, August 12.
 Braided quantum SU(2) groups, StatMath Unit, Indian Statistical Institute Delhi, India, August 8.
 Multiplicative unitaries for locally compact groups, StatMath Unit, Indian Statistical Institute, Kolkata, India, July 18.
 Braided quantum SU(2) groups, Operator algebra seminar, Fields Institute Toronto, Canada, June 7.
 Semidirect product of compact quantum groups, Department of Mathematics, Indian Institute of Technology Madras, India, May 10.
 Braided quantum SU(2) groups, Oberseminar AGSpeicher, Faculty of Mathematics, Universität Saarlandes, Germany, February 16.
 LandstadVaes theory for locally compact quantum groups, Mathematics Institut GeorgAugustUniversität Göttingen, Germany, February 10.
 Quantum grouptwisted tensor product of C*algebras, Analysis Seminar, University of Ottawa, Canada, January 13.
 2015
 Faithful actions of locally compact quantum groups on spaces, Department of Mathematics and Statistics, University of New Brunswick, Canada, December 3.
 Braided C*quantum groups, The Institute of Mathematical Sciences Chennai, India, November 9.
 LandstadVaes theory for locally compact quantum groups, Department of Mathematics, Indian Institute of Science Bangalore, India, November 6.
 Faithful actions of locally compact quantum groups on classical spaces, Department of Mathematics, Indian Institute of Science Education and Research Bhopal, India, October 15.
 The Drinfeld double for C*algebraic quantum groups, StatMath Unit, Indian Statistical Institute, Kolkata, India, March 13.
 From Hopf algebras to locally compact quantum groups, Logic seminar, Department of Mathematics and Statistics, University of Ottawa, Canada, February 27.
 2014
 Braided quantum SU(2) groups, Tata Institute of Fundamental Research, Mumbai, India, November 28.
 A brief introduction to braided multiplicative unitaries, Department of Mathematics, Indian Institute of Technology, Delhi, India, October 17.
 The Haagerup property of the Drinfeld doubles, School of Physical Sciences, Jawaharlal Nehru University, India, October 16.
 Quantum grouptwisted tensor product of C*algebras, Department of Mathematics and Statistics, University of Ottawa, Canada, March 4.
 Quantum grouptwisted tensor product of C*algebras, Department of Pure Mathematics, University of Waterloo, Canada, February 20.
 Quantum grouptwisted tensor product of C*algebras, Operator algebra seminar, Fields Institute Toronto, Canada, February 6.
 2013
 Twisted tensor product of C*algebras, StatMath Unit, Indian Statistical Institute Delhi, India, October 25.
 Associative twisted tensor product of C*algebras, Department of Mathematics, Shiv Nadar University, India, October 10.
 From locally compact groups to C*quantum groups: multiplicative unitary approach , Department of Mathematics, Indian Institute of Technology Ropar, India, October 9.
 On braided multiplicative unitaries, Department of Mathematical Methods in Physics, University of Warsaw, Poland, May 23.
 Quantum groups with a projection, Mathematical Institute of the Polish Academy of Sciences Warsaw, Poland, May 20.
 Twisted tensor product of C*algebras, Department of Mathematics, Indian Institute of Science Education and Research Kolkata, India, April 3.
 On braided multiplicative unitaries, StatMath Unit, Indian Statistical Institute Kolkata, India, March 20.
 On canonical commutation relation, Department of Mathematics, Indian Institute of Technology Guwahati, India, March 19.
 Twisted tensor product of C*algebras, Graduate School of Mathematical Sciences, The University of Tokyo, Japan, March 15.
 2012
 Universal Coefficient Theorems and assembly maps in KKtheory, Oberseminar AGMeyer, Mathematics Institut, GeorgAugustUniversität Göttingen, Germany, November 29.
 2011
 Category of locally compact quantum groups, Chennai Mathematical Institute, India, December 20.
 An overview of Grothendieck group construction and its application, Indian Institute of Technology Guwahati, India, October 13.
 Homomorphisms of quantum groups, Colloquium of Gk 1493: "Mathematische Strukturen
in der modernen Quantenphysik", Mathematics Institute, GeorgAugustUniversität Göttingen, Germany, May 26.
 Homomorphisms of quantum groups, Department of Mathematical Methods in Physics, University of Warsaw, Poland, March 17.
 2010
 Morphisms of quantum groups via linking unitaries, Indian Institute of Technology Guwahati, India, October 7.
 Morphisms of quantum groups via linking unitaries, Participant seminar talk at 7th Focused Semester: Quantum groups, Université de Caen, France, September 16.
