Rahul Basu is a retired Scientist 'E' from the Gas Turbine Research Establishment (GTRE), DRDO, Bengaluru, and currently serves as an Emeritus Professor of Mechanical Engineering at JNTU Bengaluru. He holds engineering credentials from Caltech, UCLA, and Eurotech, and has spent his career at the intersection of research and teaching, with faculty appointments including Visvesvaraya Technological University (VTU) and Sambhram Institute of Technology, Bengaluru.Over a career spanning defence research and academia, Professor Basu has focused on mechanical and energy systems, with particular interest in renewable and non-conventional energy technologies, turbomachinery, and sustainable engineering practice. He is the author of numerous technical textbooks covering thermodynamics, kinematics of machinery, robotics and automation, and renewable energy, as well as research papers presented and published at international conferences and journals.He continues to write and publish, drawing on decades of hands-on engineering research to produce accessible, technically grounded resources for students and practitioners alike.