- Quantum Cheque, Quantum Currency and Quantum Bitcoins.
IndoQuant: Workshop on Quantum Computing and Information (January 11-13, 2019), Department of Computer Science, Indian Institute of Technology (IIT) Hyderabad, India, January 13, 2019.
- Integer Factorization using Closed Timelike Curves.
Asia Pacific Conference and Workshop on Quantum Information Science (APCWQIS, December 19-23, 2018), Indian Institutes of Science Education and Research (IISER) Kolkata, India, December 21, 2018.
- Quantum Cryptography for Computer Scientists.
TEQIP-III Sponsored Short Term Course on Cryptology (STC, November 12-16, 2018), National Institute of Technology (NIT) Durgapur, India, November 14, 2018.
- Mathematical Background of Quantum Cryptography.
TEQIP-III Sponsored Short Term Course on Cryptology (STC, November 12-16, 2018), National Institute of Technology (NIT) Durgapur, India, November 14, 2018.
- Parallelism in Quantum Algorithms.
One day National Workshop on Quantum Computing and Communication Technologies (NWQCCT) at Defence Research and Development Organisation (DRDO) Bhawan, New Delhi,India, October 5, 2018.
- Quantum Computation: Reality, Imagination, Achievements and Possibilities.
Seminar at Bhabha Atomic Research Centre (BARC), Mumbai, India, December 22, 2017.
- Aspects of Quantum Cryptography.
One day Workshop on Cyberspace and Cyber Security (WCSCS), organized as a part of the 5th Global Conference on Cyberspace (GCCS), Indian Institutes of Science Education and Research, Kolkata, India, November 4, 2017.
- Quantum Cryptography and Key Distribution.
TEQIP-II sponsored short term training program (STTP, October 30 – November 3, 2017) on Multimedia Security, Cryptocurrency and Forensics, National Institute of Technology, Raipur, India, November 2, 2017.
- Introduction to Quantum Computing.
TEQIP-II sponsored short term training program (STTP, October 30 – November 3, 2017) on Multimedia Security, Cryptocurrency and Forensics, National Institute of Technology, Raipur, India, November 2, 2017.
- The Science and Engineering of Quantum Computation.
Seminar at Condensed Matter Physics Research Centre, Physics Department, Jadavpur University, Kolkata, India, June 23, 2017.
- Quantum Key Distribution and Its Cryptanalysis.
An academic program on Quantum Optics and Quantum Technology (June 5-8, 2017) at Indian Association for the Cultivation of Science (IACS), organized by its Department of Materials Science and Raman Centre for Atomic and Molecular Sciences, Kolkata, India, June 6, 2017.
- Classical and Quantum Computation: Friends or Foes?
Academic Discussion on Classical and Quantum Computation and Information, organized by J C Bose Science Heritage Museum (JCBSHM) in collaboration with Cambridge University Press (CUP), Kolkata, India, May 18, 2017.
- From Classical Computation to Quantum Information.
Workshop on Quantum Technologies, Jagadish Chandra Bose Centre for Advanced Technology (JCBCAT), Defence Research & Development Organisation (DRDO), Kolkata, India, April 18, 2017.
- Quantum Cryptography.
National Instructional Workshop on Cryptology (March 10-12, 2017), Department of Computer Science and Systems Engineering, Andhra University, Visakhapatnam, India, March 12, 2017.
- Quantum Computers: Myth vs. Reality.
Second North-East Workshop on Computing: Theory and Applications at Tezpur Centre of Indian Statistical Institute (Feb 20-24, 2017), organized by Computer and Communication Sciences Division (CCSD) of the Institute, February 24, 2017.
- Secure Communication in Pre-Quantum, Quantum and Post-Quantum Era.
International Conference on Advanced Computing (ICAC, Oct 26-27, 2016), Maulana Abul Kalam Azad University of Technology, Kolkata, India, Oct 27, 2016.
- Introduction to Quantum Cryptography.
National Instructional Workshop on Cryptology (April 6-8, 2016), Central University of Rajasthan, Ajmer, India, April 8, 2016.
- The death and rebirth of classical cryptography in a quantum world.
International School and Conference on Quantum Information (Feb 9-18, 2016), Institute of Physics (IOP), Bhubaneswar, India, February 10, 2016.
- Pre-Quantum Cryptology.
International School and Conference on Quantum Information (Feb 9-18, 2016), Institute of Physics (IOP), Bhubaneswar, India, February 9, 2016.
- Pre-Quantum Information Theory.
International School and Conference on Quantum Information (Feb 9-18, 2016), Institute of Physics (IOP), Bhubaneswar, India, February 9, 2016.
- An Overview of Quantum Information and Computation.
Lecture Meeting organzied by Computer Chapter of IEEE Kolkata Section, Jadavpur University, Kolkata, India, January 29, 2016.
Click HERE to view / listen.
- Quantum Rational Secret Sharing.
Seminar at Physics and Applied Mathematics Unit (PAMU), Indian Statistical Institute, Kolkata, India, August 19, 2015.
- Interplay between Mutual Information and Success Probability: A Deeper Look into the Security of BB84.
Seminar at Theoretical Physics Division, Physical Research Laboratory (PRL), Ahmedabad, India, November 21, 2014.
- An Introduction to Quantum Key Distribution.
Cryptography Seminar Series, Indian Statistical Institute (ISI), Kolkata, India, May 21, 2014.
- Is classical information and computation dead in a quantum world?
Seminar at the Department of Computer Science & Technology, Indian Institute of Engineering Science and Technology (IIEST), Shibpur , Howrah, India, April 17, 2014.
- No Cloning Theorem and Quantum Key Distribution.
Seminar at the Department of Mathematics, Birla Institute of Technology and Science (BITS) Pilani, K. K. Birla Goa campus, Goa, India, December 6, 2013.
- Classical Cryptography in a Quantum World.
Satellite Meeting on Quantum Correlation and Its Possible Application in Communication and Cryptography (Sep 2-3, 2013), Indian Statistical Institute (ISI), Kolkata, India, September 2, 2013.
- Architectural and Implementation Issues of Robust Cryptosystems in the Quantum Era: A Case Study.
Network Meeting of the Alexander von Humboldt Foundation (November 28-30, 2012), Institute of Theoretical Informatics, Karlsruher Institut fur Technologie (KIT), Karlsruhe, Germany, November 29, 2012.
- Pseudo-Random Generators: from Classical to Quantum Security.
Seminar at the Ultra High-Speed Mobile Information and Communication (UMIC) Research Centre, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Germany, July 11, 2012.
- Protecting Privacy: from Stone-age to Quantum World.
Seminar for the Faculty Members of the Department of Computer Science & Engineering, the Department of Information Technology and the Department of Master of Camputer Application, Siliguri Institute of Technology, Siliguri, India, January 20, 2012.
- Four-State BB84 is as Secure as the Six-State Protocol.
Security Fundamentals (SF) Meeting, Research Center for Information Security (RCIS), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan, November 15, 2011.