Dr. Mahendra Singh, presently working as Senior Scientist, PME Section, Director's Office, ICAR-IARI, New Delhi. He has experience of 20 years in R&D by associated with various research projects funded by different agencies viz., ICAR, DoT, Department of Science and Technology, Government of India and in the field of biotic stress management, biological control, vegetable and legume germplasm screening for insect resistance, participatory extension, women empowerment, inter-institutional approach for transfer of technology, training and capacity building activities, plant protection, weather-based forewarning system for insect-pest and IPM of cotton, Biological Control of Soil-borne pathogens i.e. nematode especially vegetable crops, biotechnology-led socio-economic empowerment of farm Women. Taught introductory nematology (UG) General and Applied Microbiology (UG), Disease management in vegetable, tuber and spice crops (UG), Disease management in ornamental medicinal and aromatic plants (UG), Disease management in fruits and plantation crops (UG), Introductory Microbiology (UG), Physiological and Molecular plant Pathology (PG), Principles of Plant Pathology (PG), Diseases of kharif crops (UG) to UG and PG classes. In addition to extensive research experience he is also handling three institutional and one external projects and worked with farmers for training and demonstration to manage soil borne pathogens by IPM under DBT funded project.