He has 45+ years of experience in Combustion engineering since his graduation from Southampton University in 1970. He has authored/co-authored over 850 technical papers, three books, 18 edited books, and 22 book chapters. In 2023, Gupta was elected to Fellowship of the Royal Academy of Engineering (FREng), UK. In 2020, he was elected to Honrary Fellowship of the Royal Aeronautical Society (RAeS), UK, the highest professional recognition bestowed by the RAeS. He is currently Honorary Fellow of American Society of Mechanical Engineers (ASME), and Fellow of American Institute of Aeronautics and Astronautics AIAA), Society of Automotive Engineers (SAE) and the American Association for the Advancement of Science (AAAS), and American Society of Thermal and Fluids Engineers (ASTFE), and Member of the European Academy of Sciences and Arts (EASA). In 2022, Gupta was included in the top 2% of the scientists in the world by Stanford University which includes the researchers who receive the most citations across all academic fields.