Prof. Dr. Ajit Varma, M.Sc. Ph.D. is Distinguished Scientist and Professor of Eminence at Amity University Uttar Pradesh, Noida (India). He is recipient of Alexander Von Humboldt Foundation Fellowship (Germany). Dr. Varma research interest is Plant-Microbe Interactions and Mycorrhizal fungi. He has discovered cultivable mycorrhiza and named it Piriformospora indica. As on today, he has authored and edited 78 books and published 314 research articles in International Journal of repute. Dr. Varma is the Editor -in -Chief of Soil Biology Series being published by Springer Verlag, Germany.Dr Arun Kumar Sharma did his M.Sc. and Ph.D. from Jammu University, Jammu, J&K, in the discipline of Botany, specializing in Mycology and Plant Pathology. He joined the Agricultural Research Service (ARS) under the Indian Council of Agricultural Research during 1978 and has the research experience of over 37 years in ICAR in various capacities. Healso worked as Plant Pathologist under Food and Agriculture Organization (FAO) of the United Nations in South America for a couple of years. Dr. Sharma has worked as Director, ICAR-National Bureau of Agriculturally Important Microorganisms (Department of Agricultural Research and Education, DARE, Govt. of India). ICAR–NBAIM is the Repository of the agriculturally important microorganisms, designated by the National Biodiversity Authority of India. It holds more than 6500 microbial cultures in its culture collection. He has a vast experience of working on rusts, Karnal Bunt and other major diseases of wheat, pest problems of rice, IPM, pest survey–surveillance, Human Resource Development, agriculturally important microorganisms and other allied sectors. Dr. Sharma has a great interest in Agriculturally Important Micro-organisms, especially in the utilization of microorganisms in crop health management and other allied areas.