Dr. Sk Riyajuddin is a DST-INSPIRE Faculty at the Department of Physics, IIT (ISM) Dhanbad, India, with strong expertise in nanotechnology, materials science, and renewable energy research. He earned his PhD from IISER Mohali, receiving the Prof. C.N.R. Rao Best Thesis Award. His research focuses on water splitting, green hydrogen generation, electrocatalysis, energy storage devices, and graphene/CNT-based nanostructures. Dr. Riyajuddin has extensive experience with advanced material synthesis and characterization techniques and has published over 55 peer-reviewed papers in high-impact journals, with more than 2100 citations and an H-index of 26.