Dr. Sethiya explained the fundamental concepts of innovation in a simple and practical manner, making it easy for students to understand and relate to real-life examples.Dr. Sethiya began the session by clearly distinguishing between invention and innovation.He emphasized that an invention becomes an innovation only when it is successfully adopted by society or industry The latter part of the lecture focused on Technology Readiness Levels (TRL), a widely accepted framework used to assess the maturity level of a technology.Dr. Sethiya explained TRL in detail, starting from basic research to full- scale commercialization: The lecture by Dr. Neeraj Kumar Sethiya was highly informative and enriching. It provided a clear understanding of the journey from invention to innovation and the importance of TRL,MRL&IRL