Dr. P.L. Maliwal did his B.Sc.(Ag.) and M.Sc.(Ag.) agronomy from the University of Udaipur, Udaipur in 1976 and 1979, respectively. He was awarded ICAR scholarship for his under graduate studies. He obtained Ph.D. degree from Mohan Lal Sukhadia University, Udaipur during the year 1987. Dr. Maliwal started his career as lecturer in the field of Agronomy at University of Udaipur, Udaipur. Dr. Maliwal served in different positions like Associate Director Research, Zonal Director Research, Director Extension Education and retired as Director Research from Maharana Pratap University of Agriculture and Technology, Udaipur (Rajasthan).  Dr. Maliwal has published more than 85 research papers and technical articles in various journals and magazines of national and international repute. He has also written books entitled “Agronomy at a Glance (two volumes)”, “Agricultural Development in Rajasthan”, “Technologies for Food Security and Sustainable Agriculture”, “Textbook of Weed Management” and “Textbook of Weed Management in Horticultural Crops”.   He is also co-author of three books for vocational education (Agriculture) students. He is the recipient of best university teacher award of MPUAT, Udaipur for the year 2001-02. Presently he is working as ICAR- Emeritus Professor at Maharana Pratap University of Agriculture & Technology Udaipur (Rajasthan).