A list of invited talks delivered at universities, workshops and seminars. National and International conferences talks are *not* included in this list (unless it is an invited talk only and not a paper).
 The Limits of Knowing in Science and Mathematics (and the role of Spirituality), Science and Spirituality Club, ISKCon, Bengaluru, March 26, 2017.
 Research Methods in Consciousness Studies, lecture as a part of Research Methodology course, February 21, 2017.
 'Information', Evening Philosophy Chat, organized by NIAS Consciousness Studies Programme & Indian Council of Philosophical Research (ICPR), on the occasion of World Philosophy Day, NIAS, November 17, 2016.
 Uncertainty, Evening Philosophy Chat, NIAS Consciousness Studies Programme, NIAS, October 20, 2016.
 "The Art and Science of Cryptography", "Introduction to Communications, Information and Coding Theory", "The Limits of Computing, Thinking and Knowing", invited lectures delivered as a part of refresher Course in Computer Science for College/University teachers, UGCHuman Resource Development Centre (HRDC), University of Calicut, August 26, 27, 2016.
 Foundational Ideas of Mathematics, a set of two lectures as a part of NIAS Foundation course, NIAS, August 23, 2016.
 The Life & Work of Claude E Shannon: Celebrating 100 years of Shannon, workshop delivered at IEEE Symposium on Education, Technology and Entrepreneurship (ISEE 2016), IEEE Student Branch, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kollam, August 7, 2016.
 What is Mathematics?, Second Summer Workshop under NIAS Gifted Education Programme during 1214th May, 2016
 Uncertainty, Undecidability, Unpredictability: The Limits of Computing, Thinking and Knowing, NIAS Wednesday Discussion, April 20, 2016.
 Research Activities at Consciousness Studies Programme at NIAS, SVYASA, November 5, 2015.
 From Fourier to Wavelets and Beyond, a workshop delivered at IEEE Symposium on Education, Technology and Entrepreneurship (ISEE), IEEE Student Branch, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kollam, August 89, 2015.
 y=Ax, The Singular Value Decomposition, Introduction to Compressed Sensing and Applications, M S Ramaiah Institute of Technology, Bengaluru, May 27, 2015.
 Uncertainty, Undecidability, Unpredictability: The Limits of Science, Logic and Computation, PES Institute of Technology (PESIT), Bengaluru, April 24, 2015.
 A Gentle Introduction to Chaos, PSG College of Technology, Coimbatore, April 13, 2013.
 Chaos  and its applications to Communications and Computing, Invited Talk, National Conference on Advanced Computing and Communications (NCACC 2013), Sree Buddha College of Engineering, Pattoor, Kerala, March 22, 2013.
 When Information Meets Chaos: Applications of Symbolic Dynamics, Invited Talk, MiniSymposia on Time Series Analysis and Fractals, National Conference on Nonlinear Systems and Dynamics (NCNSD 2012), IISER Pune, 14 July, 2012.
 The Art and Science of Cryptography, BreaktheCode Challenge and How to Read/Write a Research Paper, Sree Buddha College of Engineering, Pattoor, Kerala, May 16, 2012.
 Foundational Ideas of Mathematics, as a part of Foundation
Course for 1st Year PhD students, National Institute of Advanced
Studies, IISc. Campus, Bangalore, November 78, 2011.
 The Art and Science of Cryptography & BreaktheCode Challenge, PSG College of Technology, Coimbatore, September 29, 2011.
 Compressed Sensing: An Introduction, Samsung India Software Operations (SISO), Bangalore, June 24, 2011.
 Appreciation of Mathematics for Engineers, a set of 7 lectures to a few highly motivated students of S7 ECE, Amritapuri, June 8  11, 2011.
 Chaos in 1Dimensional Maps, GE Global Research Center, John F. Welch Technology Center, Bangalore, May 19, 2011.
 Chaos and Cryptography, A short course offered (jointly with Prof. Prabhakar G. Vaidya (NIAS)) at the invitation of Department of Mathematics, University of Sains Malaysia (USM), Penang, Malaysia, April 1315, 2011.
 An Introduction to Compressed Sensing, Dept. of Electronics and Comm. Engg., National Institute of Technology Karnataka (NITK), Surathkal, March 23, 2011.
 An Introduction to Compressed Sensing, Tutorial Session, IEEE LINK Face2Face Meet ECLECTIC'11, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Amritapuri, March 6, 2011.
 Excursions into Mathematics: Some Beautiful Ideas, as a part of Foundation Course for 1st Year PhD students, National Institute of Advanced Studies, IISc. Campus, Bangalore, November 1112, 2010.
 The Fascinating World of Cryptography, Sree Buddha College of Engineering, Pattoor, Kerala, August 18, 2010.
 The Art and Science of Cryptography, lectures to class 911 kids, Rishi Valley School, July 31, 2010.
 From Teaching to Research and Back, Faculty Development Program, Amrita Vishwa Vidyapeetham, Amritapuri, July 12, 2010. (this talk was presented jointly with Br. Jayaraj Poroor of Amrita Research Labs)
 Chaos, Randomness & Cryptography, Prajnaamrita Lecture Series, Poornaprajna Institute of Scientific Research, Bangalore, June 17, 2010.
 Chaos and Communications, Prajnaamrita Lecture Series, Poornaprajna Institute of Scientific Research, Bangalore, June 14, 2010.
 The Singular Value Decomposition and its Applications, Faculty Development Programme, Dept. of Computer Science and Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, Dec 31, 2009.
 Introduction to Fourier Representations, Faculty Development Programme, Dept. of Electronics and Communications Engg., Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala, Dec 28, 2009.
 A Brief History of Cryptography, AICTE sponsored National SeminarQuantum Crptography, College of Engineering Perumon, Kollam, November 20, 2009.
 The Art and Science of Cryptography: From Ancient to Modern Ciphers, LNMIIT, Jaipur, August 29, 2009.
 Does God Really Need to Play Dice?  On Randomness, Chaos & Cryptography, LNMIIT, Jaipur, August 29, 2009.
 How to Read a Research Paper, paper reading session (the paper that was chosen was Shamir's 1979 classic paper  "How to Share a Secret"), Dept. of Computer Science, Amrita School of Engineering, Amritapuri Campus, Kollam, 2009.
 Introduction to Information and Coding Theory, Faculty Development Program, Dept. of Electronics and Communications, Amrita School of Engineering, Amritapuri Campus, Kollam, Jan 2426, 2009.
 Novel Applications of Chaos Theory to Coding and Cryptography, National Institute of Advanced Studies, IISc. Campus, May 22, 2009.
 The Unreasonable Effectiveness of the Tent Map and its Cousins in Applications to Communications IITM, Chennai, June 5, 2008.
 The Unreasonable Effectiveness of the Tent Map, Institute of Mathematical Sciences (IMSc.), Chennai, June 17, 2008.
 From Huffman to Arithmetic Coding & Beyond: A Dynamical System Approach to Source Coding, Department of Mathematics, University of Manchester, Manchester, UK, September 27, 2007.
 A Dynamical Systems Approach to Source Coding and Encryption, ECE Dept., Indian Institute of Science, March 15, 2007.
 Medical Image Compression, Advances in Signal Compression Technology, ISTEAICTE short term training programme, National Institute of Technology Calicut, Calicut, 0617 January 2003.
 Guest Speaker, Conference on Intellectual Property Rights, Indian Institute of Management, Bangalore, December 2001.

