Dr. Rawesh Kumar (Ph.D from IIT-ISM, CSIR-NET (JRF)) is Assistant Professor, Sankalchand Patel University, Visnagar, Gujarat. He has more than 22 research publication (H-index :10) in the field of metal Oxide-doped metal oxide catalyst system (Surface Catalyst) (orcid.org/0000-0002-9841-4767, Author ID: 55492128200). In the filed of higher level chemistry education, he has one YouTube channel "The Big Concept: PG topics" (https://www.youtube.com/channel/UCAqSyDalRn_9yE5VxdgevKA/videos). The channel deals wide range of postgraduate chemistry course through text directed animation.