Professional Editorial Activities
  1. Editorial Board Membership in refereed international journals:

    i) Associate Editor, SN Computer Science (Springer), 2019 – to date.

  2. Program Committee Member of refereed international conferences:

    i) International Conference on Cryptology in India (INDOCRYPT), 2024, 2017, 2015, 2014, 2012, 2010.

    ii) International Conference on VLSI Design (VLSID), 2019, 2018, 2016.

    iii) 6th International Workshop on Lightweight Cryptography for Security and Privacy (LIGHTSEC), 2017.

    iv) 13th International Conference on Security and Privacy in Communication Networks (SECURECOMM), 2018, 2017.

    v) 23rd Annual International Conference on Advanced Computing and Communications (ADCOM), 2017.

    vi) International Conference on Communication and Network Security (ICCNS), 2016.

    vii) International Conference on Information Systems Security (ICISS), 2018, 2016, 2015, 2011.

    viii) 12th International Conference on Security and Privacy in Communication Networks (SECURECOMM), 2016.

    ix) IEEE International Conference on Advanced Networks and Telecommunications Systems (IEEE ANTS), 2016, 2015.

    x) IEEE International Conference on Recent Trends in Information Systems (ReTIS), 2015

    xi) International Conference on Applied Cryptography and Network Security (ACNS), 2014.

    xii) International Conference on Cryptology in Africa (AFRICACRYPT), 2012.

    xiii) International Conference on Security Aspects in Information Technology, High-Performance Computing and Networking (InfoSecHiComNet 2011), 2011.

    xiv) International IEEE India Conference (IEEE INDICON), 2010.

  3. Program Co-Chair, 14th International Conference on Cryptology in India (INDOCRYPT), December 7-10, 2013, Mumbai, India.
  4. Regular reviewer of refereed international journals like JOC, IEEE-IT, DCC, CCDS etc. and refereed international conferences like CRYPTO, EUROCRYPT, ASIACRYPT,FSE, SAC, WCC, INDOCRYPT etc.
  5. Contribution in preparing the Global Edition of the book “Cryptography and Network Security: Principles and Practice”, 7th Edition, William Stallings, Pearson, 2016.
  6. Contribution in preparing the International Edition of the book “Computer Networking”, 6th Edition, James F. Kurose and Keith W. Ross, Pearson, May 2012.
  7. Contribution in preparing the International Edition of the book “Operating Systems: Internals and Design Principles”, 7th Edition, William Stallings, Pearson, May 2011.
  8. Guest Editor, Computer Jagat Magazine, Print Issue (Bengali), July-August 2015.
  9. Executive Editor, Computer Jagat Magazine, Online Issue (English Version), December 2008.
Professional Organisational Activities
  1. Membership in Professional Bodies:
    (a) Association for Computing Machinery (ACM). Student Member [2002 – 2005], Member [2015 – to date].
    (b) Institute of Electrical and Electronics Engineers (IEEE). Member [2009 – to date], Senior Member [since July 2015].
    (c) International Association for Cryptologic Research (IACR). Member [2008 – 2009, 2011 – 2012, 2014 – 2015, 2016 – 2017].
    (d) Indian Statistical Institute Society. Member [2006 – to date], Life Member [since 2011].
    (e) Cryptology Research Society of India (CRSI). Life Member [since 2006].
    (f) American Association for Artificial Intelligence (AAAI). Student Member [2002 – 2005].
    (g) Society for Industrial and Applied Mathematics (SIAM). Student Member [2002 – 2005].
  2. Head, Cryptology and Security Research Unit, Indian Statistical Institute, Kolkata, India, May 2021 – to date.
  3. Program Coordinator, Online Certification Course on Cryptology for 20 Executives of Bharat Electronics Limited (BEL), Bangalore, India, August 2021 – January 2022.
  4. Member, Ethics Committee, Indian Statistical Institute, Kolkata, India, 2020 – to date.
  5. Chairman, Canteen Committee, Indian Statistical Institute, Kolkata, India, 2019.
  6. Program Coordinator, Workshop on Application of Probability and Statistics in Cryptology and Security, on the occasion of the 125th birth anniversary of Prof. P. C. Mahalanobis, February 14-15, 2018, Indian Statistical Institute, Kolkata, India.
  7. Regional Coordinator of the Mathematical Olympiad for West Bengal Region, National Board of Higher Mathematics (NBHM), Department of Atomic Energy, Govt. of India, April 2024 – to date.
  8. Joint Regional Coordinator of the Mathematical Olympiad for West Bengal Region, National Board of Higher Mathematics (NBHM), Department of Atomic Energy, Govt. of India, December 2017 – April 2024.
  9. Organizing Committee Member, Regional Mathematical Olympiad (RMO), Eastern Region, 2016 — to date.
  10. Co-ordinator, Quantum Technology Research Activity, Jagadish Chandra Bose Centre for Advanced Technology (JCBCAT), a multi-institutional DRDO facility in Kolkata, India, April 2017 – to date.
  11. Advisory Committee Member, International Conference on Computer, Electrical and Communication Engineering (ICCECE), December 16-17, 2016, Kolkata, India.
  12. Organizing Committee Member, 17th International Conference on Cryptology in India (INDOCRYPT), December 11-14, 2016, Kolkata, India.
  13. Session Chair, 29th International Conference on VLSI Design (VLSID, January 4-8, 2016), Track T1-B: Embedded Security, January 7, 2016, Kolkata, India.
  14. Organizing Committee Member, 29th International Conference on VLSI Design (VLSID), January 4-8, 2016, Kolkata, India.
  15. Organizing Co-Chair, 9th IEEE International Conference on Advanced Networks and Telecommunication Systems (ANTS), Sponsored by IEEE Communications Society, December 15-18, 2015, Kolkata, India.
  16. Program Coordinator, Summer Internship in Cryptology, May 18 – July 17, 2015, Indian Statistical Institute, Kolkata, India.
  17. Organizing Committee Member, Winter School on Interplay Between Statistics and Cryptology, December 1-5, 2014, Indian Statistical Institute (ISI), Kolkata,  organized by Applied Statistics Unit, ISI Kolkata, in collaboration with EPSRC-DST Indo-UK Initiative in Applied Mathematics.
  18. Convener, Workshop on Quantum Paradigms and Security, September 27-28, 2014, Indian Institute of Science Education and Research (IISER), Kolkata, jointly organized by the Department of Physical Sciences, Indian Institute of Science Education and Research (IISER), Kolkata, the Centre of Excellence in Cryptology (CoEC), Indian Statistical Institute, Kolkata, and Centre for Distributed Computing (CDC), Jadavpur University (JU).
  19. Session Chair, 13th IEEE Computer Society Annual Symposium on VLSI (ISVLSI, July 9-11, 2014), Session 19: Security and Error Tolerance in System Architecture, July 11, 2014, Tampa, Florida, U.S.A.
  20. Session Chair, 9th International Conference on Information Systems Security (ICISS, Dec 16-20, 2013), Session: Cryptography-1, December 19, 2013, Kolkata, India.
  21. Session Chair, 14th International Conference on Cryptology in India (INDOCRYPT, Dec 7-10, 2013), Invited Talk II, December 9, Mumbai, India.
  22. Session Chair, 6th International Conference on Cryptology in Africa (AFRICACRYPT, June 22-24, 2013), Session: Efficient Implementations for ECC, June 22, 2013, Cairo, Egypt.
  23. Program Coordinator, Software Freedom with Google Summer of Code, a one-day awareness programme for the students of all disciplines of all colleges and Universities in Kolkata, May 22, 2012, Jadavpur University, Kolkata, India.
  24. Program Coordinator, Workshop on Information and Security in Quantum World, organized by the Centre of Excellence in Cryptology, Indian Statistical Institute, March 28-30, 2012, Indian Statistical Institute, Kolkata, India.
  25. Played key role in preparing the draft proposal of the UGC XIIth Plan requirements of the Department of Computer Science & Engineering, Jadavpur University,Kolkata, India, 2012.
  26. Convener & Program Coordinator, Tutorial Workshop on Many Facets of Cryptology, jointly organized by the Department of Computer Science & Engineering, Jadavpur University and the Centre of Excellence in Cryptology, Indian Statistical Institute, October 14-15, 2011, Jadavpur University, Kolkata, India.
  27. Session Chair, Indo-Japan Joint Workshop on Cryptography, December 12, 2009, Indian Statistical Institute, Delhi.
  28. Tutorial Chair, 2nd National Conference on Recent Trends in Information Systems (ReTIS), February 7-9, 2008, Kolkata, India.
  29. Publicity Chair, 9th International Conference on Distributed Computing and Networking (ICDCN), January 5-8, 2008, Kolkata, India.
  30. Local Organizer, 7th International Conference on Cryptology in India (INDOCRYPT), December 11-13, 2006, Kolkata, India.
  31. Senator at the University Senate (one of the three student members nominated by the Graduate Student Organization), SUNY Albany, U.S.A., 2004 – 2005.
  32. Council Member, Resource Analysis and Planning Committee, University Planning and Policy Council (the only student member nominated by the Graduate Student Organization), SUNY Albany, U.S.A., 2004 – 2005.
  33. Department Representative / Mobilizer, Graduate Student Employees Union, SUNY Albany, U.S.A, 2004 – 2005.
Participatory Activities
  1. ISI-Wipro Workshop on Machine Learning Benchmarking and Applications, Wipro Limited, November 7, 2016, Kolkata, India.
  2. 32nd Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT), May 26-30, 2013, Athens, Greece.
  3. 44th IFF Spring School on Quantum Information Processing, February 25-March 8, 2013, Forschungszentrum Julich, Germany.
  4. Indo-US Workshop on Public Key Cryptography, January 12-14, 2012, Indian Statistical Institute, Kolkata.
  5. Hash Workshop on SHA3 Finalists, December 9-10, 2011, Indian Statistical Institute, Kolkata.
  6. One-day seminar on Free and Open Source Software in Computer Science Education, December 22, 2009, Stadel, Kolkata, organized by Computer Chapter of IEEE Calcutta Section.
  7. 1st Microsoft Research India Theory Day, December 22, 2007, Microsoft Research Lab, Bangalore, India.
  8. Faculty Enablement Program (FEP), June 11-23, 2006, Infosys Technologies Limited, Chennai, India.
  9. UGC Refresher Course on Theoretical Aspects of Computer Science, January 11 to February 2, 2007, Dept. of Computer Science \& Engineering, Jadavpur University, Kolkata, India.
  10. 13th UGC Orientation Programme, November 6 to December 2, 2006, UGC Academic Staff College, Jadavpur University Salt Lake Campus, Kolkata, India.
  11. 6th National Workshop on Cryptology, September 8-10, 2006, Defense Institute of Advanced Technology (a Deemed University under DRDO), Pune, India.
  12. Winter School on Chaos, Nonlinear Dynamics and Complexity, December 19-23, 2005, West Bengal University of Technology, Salt Lake, Kolkata, India.
  13. Discrete Mathematics and Computer Science Day (DMCSD), September 28, 2002, Department of Computer Science, State University of New York (SUNY) at Albany, U.S.A.
  14. 1st Lightweight Languages (LL1) Workshop, November 17, 2001, Massachusetts Institute of Technology (MIT), U.S.A., organized by the MIT Artificial Intelligence Lab Dynamic Languages Group.
Curriculum Development
  1. Active Role as a Quantum Expert in formulating the two new M.Tech (CS) Elective Courses on Quantum Computation and Quantum Information Theory, to be offered in collaboration with IBM Research India for laboratory work with IBM-Q hardware via Cloud, 2021.
  2. Syllabus Review Committee Member for the B.Tech. (CSE) and M.Tech. (CSE) courses, Techno India University, Kolkata, India, 2015.
  3. Syllabus Review Committee Member for the M.Sc. (IT) Integrated course, Kaziranga University, Assam, India, 2014.
  4. Designed and Introduced an elective course entitled Cryptography and Computer  Security for B.E. 3rd year students of Dept. of Computer Science & Engineering, Jadavpur University, Kolkata, India, 2010.
  5. Designed and Introduced an elective course entitled Information Security for M.E.  1st year students of Dept. of Computer Science & Engineering, Jadavpur University, Kolkata, India, 2009.
  6. Played key role in thorough revision of the syllabi for B.E., M.E. and M.C.A. courses, while serving as a member of the Curriculum Development Subcommittee under the Board of Studies of the Dept. of Computer Science & Engineering, Jadavpur University, Kolkata, India, 2009 – 2012.
Internal Expert Service
  1. Member, Placement Committee, Indian Statistical Institute, Kolkata, June 2022 – to date.
  2. Class Teacher, B.Stat. II Year, Indian Statistical Institute, Kolkata, Jan-May, 2019.
  3. Class Teacher, B.Stat. I Year, Indian Statistical Institute, Kolkata, Jan-May, 2017.
  4. Class Teacher, M.Tech. (CS) I Year, Indian Statistical Institute, Kolkata, Jan – May, 2015.
  5. Moderator for the paper “Quantum Information Processing and Quantum Computation” in M.Tech. (CS), Indian Statistical Institute, Kolkata, 2016.
  6. Member, D. Basu Gold Medal Award Committee for deciding the best student in B.Stat. Programme 2013 – 2016, Indian Statistical Institute, Kolkata, 2016.
  7. Invited Member, Best M.Tech. (CS) Dissertation Award Committee for 2013 – 2015, Indian Statistical Institute, Kolkata, 2015.
  8. Convener, PCM Gold Medal Award Committee for deciding the best student in M.Stat. Programme 2013 – 2015, Indian Statistical Institute, Kolkata, 2015.
  9. Member, JRF (CS) Admission Committee, Indian Statistical Institute, Kolkata, 2019, 2018, 2015.
  10. Member, Research Fellows Advisory Committee (RFAC), Computer and Communication Sciences Division, Indian Statistical Institute, Kolkata, October 2014 – to date.
  11. Member, Evaluation Committee for 2nd Year JRF (STAT) Research Scholars of Applied Statistics Division, Indian Statistical Institute, Kolkata. 2018.
  12. Convener, Research Fellows’ (CS) Coursework Committee, Indian Statistical Institute, Kolkata, 2018.
  13. Convener, Screening Committee for the Recruitment of Faculty Members, R. C. Bose Centre for Cryptology & Security, Indian Statistical Institute, Kolkata, 2018 – to date.
  14. Convener, Post-Doc Committee, R. C. Bose Centre for Cryptology & Security, Indian Statistical Institute, Kolkata, September 2014 – to date.
  15. Convener, M.Tech. (CS) Admission Committee, Indian Statistical Institute, Kolkata, 2016, 2014.
  16. Member, M.Tech. (Cryptology & Security) Admission Committee, Indian Statistical Institute, Kolkata, 2018.
  17. M.Tech. (CS) Dissertation Committee member and CRYPTO Group Coordinator, Indian Statistical Institute, Kolkata, 2014 – 2018.
  18. Member, Committee for Conceptualising Abanindranath Archive at Gupta Niwas, Indian Statistical Institute, Kolkata, 2018 – to date.
  19. Member, Furnishing Committee, R. C. Bose Centre for Cryptology & Security, Indian Statistical Institute, Kolkata, 2018.
  20. Selection Committee Member

i) Recruitment of Project Linked Personnels (PLPs) for various projects under
Advanced Computing and Microelectronics Unit (ACMU), Indian Statistical Institute, Kolkata, December 10, 2018.

ii) JRF (CS) Admission Interview for National Board for Higher Mathematics (NBHM) Fellows, November 4, 2015.

iii) Recruitment of Project Linked Personnels (PLPs) for various projects under Sampling and Official Statistics Unit (SOSU), Indian Statistical Institute, Kolkata, October 29, 2015.

iv) Recruitment of Project Linked Personnel (PLP) for the project “Nature-Inspired Metaheuristics for Large Scale Engineering Optimization in Dynamic Environments” in Electronics and Communication Sciences Unit, Indian Statistical Institute, Kolkata, October 31, 2014.

External Expert Service
Selection Committee Member
  1. Board of Judges Member, Young Scientists Conclave of the Indian Photobiology Society , On the occasion of 38th National Science Day, Jadavpur University, Kolkata, India, March 1-2, 2024.
  2. Board of Judges Member, Scientific Creativity Test for Jagadis Bose National Science Talent Search (JBNSTS) candidates, December 2-3, 2023.
  3. Board of Judges Member, interview of Jagadis Bose National Science Talent Search (JBNSTS) senior scholars, October 7-8, 2023.
  4. Board of Judges Member, Scientific Creativity Test for Jagadis Bose National Science Talent Search (JBNSTS) candidates, October 14-15, 2017.
  5. Board of Judges Member, interview of Jagadis Bose National Science Talent Search (JBNSTS) candidates, September 9, 2017.
  6. Interview Board Member, Kishore Vaigyanik Protsahan Yojana (KVPY) fellowship, Indian Statistical Institute, Kolkata, February 5-7, 2014.
  7. Recruitment of Research Consultants and Personnels for the Centre of Excellence in Cryptology, Indian Statistical Institute, Kolkata, April 19, 2012.
  8. Recruitment of Research Consultants and Personnels for the Centre of Excellence in Cryptology, Indian Statistical Institute, Kolkata, July, 2011.
  9. Recruitment of Project Assistants for the project “Indexing, digital imaging and online hosting of photo images in ISI repository” in Reprography & Photography Unit, Indian Statistical Institute, Kolkata, May 20, 2011.
  10. Recruitment of Computer faculty, West Bengal State Cooperative Union, Salt Lake,Kolkata, Sep 16, 2010.
Paper Setter / Examiner / Moderator
  1. Moderator, National Talent Search Examination (NTSE) of National Council of Educational Research and Training (NCERT), Govt. of India, 2017.
  2. Moderator for the paper “Graph Theory and Combinatorics” in M.Sc. (Mathematics), Ramakrishna Mission Vidyamandira, Howrah, 2016.
  3. Moderator for B.Tech. (CSE) odd semester papers, Techno India University, Kolkata, India, 2015.
  4. Paper Setter for the papers “Discrete Structure” and “Information & Coding Theory” in M.Sc. (Computer Science), Visva-Bharati University, 2014.
  5. Grader, Regional Mathematical Olympiad (RMO), Eastern Region, December 2018, 2015, 2013.
  6. Moderator for the paper “Information and Coding Theory” in M. Tech. (Computer Science), Indian Statistical Institute, Kolkata, 2011.
  7. Paper Setter and Examiner for the paper “Discrete Mathematical Structure” in M.Sc.(Mathematics), Visva-Bharati University, 2006-2010.
Ph.D. Thesis Evaluation
  1. Department of Mathematics, Manipur University, Manipur, India, 2021.
  2. Department of Computer Science and Engineering, Techno India University, Kolkata, India, 2016.
  3. Department of Electronics and Communication Engineering, Francis Xavier Engineering College, Affiliated to Anna University Chennai, India, 2016.
  4. Department of Radio Physics & Electronics, Calcutta University (CU), India, 2012.
Master’s Thesis Evaluation
  1. Department of Computer Science & Engineering, Indian Institute of Technology (IIT) Kharagpur, 2017, 2015, 2014.
  2. Department of Computer Science & Technology, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, 2015, 2014, 2007-2011.
  3. Department of Electronics & Telecommunication Engineering, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, 2009-2011.
Others
  1. Nominated Member, “LITD 17- Information Systems Security and Privacy Sectional Committee” under the Electronics and Information Technology Division Council (LITDC), Bureau of Indian Standards (BIS), 2021 – to date.
  2. Resource Person and Consultant, Faculty Development Program (FDP) of Tata Consultancy Services (TCS) for BE./B.Tech. in Computer Science & Business Systems (CSBS) at Engineering institutes all over India, 2020 – to date.
  3. Panelist for “Research and Innovation Demonstration” in Quantum Security Symposium 2021 organized by the National Centre of Excellence for Cybersecurity Technology Development and Entrepreneurship, a joint initiative of the Ministry of Electronics & IT (MeitY) and Data Security Council of India (DSCI), September 15, 2021.
  4. Panelist for the discussion on “Is the Clock really Ticking for Encryption… How far we are from Quantum Computers actually breaking encryption?” at the Best Practices Meet organized by the Data Security Council of India (DSCI), under the aegis of the National Association of Software and Service Companies (NASSCOM), August 20, 2021.
  5. Panelist for the discussion on “Attracting Young Minds… for the Depth of Security & Responsibility of Privacy” at the Security Education, Research And Innovation Conference (SERI), collocated with the Annual Information Security Summit (AISS), organized by the Data Security Council of India (DSCI), under the aegis of National Association of Software and Service Companies (NASSCOM), and Ministry of Electronics & Information Technology (MeitY), Govt. of India, December 14, 2020.
  6. Opening Speaker and Moderator for the Session on “New Security Paradigms such as Post Quantum Cryptography, Quantum Cryptography and Key Distribution, Quantum Computing and Communication etc.” at the Cyber Security Conclave with a focus on the Financial Sector, National Institution for Transforming India (NITI) Aayog, New Delhi, India, February 22, 2018.
  7. Judge for the Poster Session in IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), Kolkata, India, 2015.