1. Date : 1st December, 2004 : Delivered an invited lecture on Quantum Electro Dynamics : Amazing Consequences at the Institution of Engineers' Hall, Trivandrum. The talk was organised jointly by the IEEE Kerala Branch, Aeronautical Society of India (AeSI) , Computer Society of India and The Institution of Engineers.
2. Date : April 2005 : Delivered two lectures during the launch campaign of the PSLV C6 , at the Satish Dhawan Space Centre, Sriharikota Range. The title was Some Random Thoughts of Fundamental Physics presented in a Scattered Manner. Topics covered : Quantum indeterminacy, Wave-particle duality, History of Physics , Quantum Field theory, Quantum Information and Computation.
3. Date : 28th July : Delivered a lecture on Launch Vehicles Way Ahead: A Physicist's Perception to Advanced Quantum Technologies for Space Travel. The lecture was a part of the Astronautical Society of India (ASI) symposium, inaugurated by His Excellency Honb'le President of India Dr. A.P.J. Abdul Kalam, in celebrating the 25 years of the first successful launch of the SLV3 Rocket.
4. Date : 08th September: Delivered an invited lecture , titled When Isaac Takes Albert to Dirac, during the celebration of the World Year of Physics 2005. The seminar was organised jointly by the Aeronautical Society of India (AeSI), Space Physics Laboratory (SPL) ISRO and the Department of Physics, Kerala University. The history of physics was outlined along with an explanation of the General Theory of Relativity (GTR) without mathematics.
5. Date: 30th September, 2005: Delivered an invited lecture titled Amazing Space: Beyond Perceptions, at the Tathva 2005 National Technical Festival held at National Institute of Technology (NIT) Calicut, on 30th September, 2005. The Space-time curvature and the basics of General Theory of Relativity was addressed.
6. Date: 28th February, 2006:
>> Delivered, on invitation by Kerala Sastra Sahitya Parishad and Dept. of Physics, University of Kerala , the Raman Memorial Lecture, titled Rich are Thy Creations , at the C.V.Raman Lecture Hall, Department of Physics, University College, Thiruvananthapuram, India.
>> Inaugurated the Einstein Physics Forum at the University College.
>> Conducted the science quiz as the quiz master, contested by eleven teams of undergraduate and post graduate science students of Kerala.
7. Date: 23rd August, 2006: Delivered, on invitation, by Aeronautical Society of India, IEEE Kerala, Computer Society of India, Systems Society of India and Energy Conservation Society, a lecture , titled Body, Mind and Beyond : The Physics of the Conscious Self. The lecture was held at the Institution of Engineers' Hall, Vellayambalam, Trivandrum.
8. Date: 22nd September, 2006 : Inaugurated the Physics Association at St. Gregorious College, Kottarakara, Kerala as Chief Guest and delivered the keynote address HIDDEN CONNECTIONS : A Physics Based Approach of Integrating Knowledge to Explore Consciousness.
9. Date: 20th November, 2006 : Chief Guest at Loyola school Trivandrum; delivered the invited lecture on Interdisciplinary Studies in Space Exploration.
10. Date: 01st February, 2007 : Lecture at Space Physics Laboratory, VSSC, on The Web of Totality : An Integrated Approach to Explore Consciousness.
11. Date : 06th July, 2007 : Lecture at "Space Exploration Innovation Contest in Asia 2006-2007" at Beijing, China, organised by the Chinese Society of Astronautics (CSA) and Robert Anson & Virginia Heinlein Prize Trust. The topic was Futuristic Quantum Technologies for Amazing Space Transportation Systems : The Quantum Space Vehicle (QSV) . The innovation has been awared.
12. Date : 06th August, 2007 : Keynote Lecture as the Guest of Honour at Kendriya Vidyalaya, Pattom, Trivandrum, on the Hiroshima Day. Invited by the Tokyo based NGO OISCA (Organisation for Industrial, Spiritual and Cultural Advancement) and K.V. Pattom, the lecture was titled Intellect, Wisdom and Ethics.
13. Date : 26th November, 2007 : Lectured on Antimatter Energy for Space Exploration : From Vision to Reality . Lecture arranged by the System Reliability (SR) entity, VSSC, ISRO, in the SRMC meeting.
14. Date : 15th May, 2008 : Lectured on Take me to the Moon. Lecture arranged by Mohandas College of Engineering and Technology, at their CGPC Lecture Hall.
