Prof. (Dr.) Rajarshi Kumar Gaur is presently working as Professor & Head, Department of Bioscience, Mody Institute of Technology and Science, Lakshmangarh, Sikar, Rajasthan, India. He did his Ph.D on molecular characterization of sugarcane viruses of India. He had partially characterized three sugarcane virus viz., sugarcane mosaic virus, sugarcane streak mosaic virus and sugarcane yellow luteovirus. He received MASHAV fellowship in 2004 of Israel government for his post doctoral studies and joined The Volcani Centre, Israel and then shifted to BenGurion University, Negev, Israel. In 2007 he received the Visiting Scientist Fellowship from Swedish Institute Fellowship, Sweden for one year to work in the The Umeå University, Umeå, Sweden. He is also a recipient of ICGEB, Italy Post-Doctoral fellowship in 2008. He worked on development of marker-free transgenic plant against cucumber viruses. He has made significant contributions on sugarcane viruses and published 130 national/international papers and presented near about 50 papers in the national and international conferences. He was awarded as Fellow of Linnean Society, London, UK. He has also visited Thailand, New Zealand, London, Canada, USA and Italy for the sake of attending the conference/workshop. Currently, he is handling different projects funded by Government of India on plant virus and disease management.