This is a comprehensive book on extension, communication, diffusion of innovation, programme planning, programme evaluation, extension methods and journalism. This shall serve as a text book in extension in Agricultural universities, colleges, training institutes and also a handbook for extension workers. This book explains in depth about all the basics of extension education in detail. Creating awareness amongst the people and make them participate in various programmes is most urgent need of the day. Irrespective of whether it is Agriculture, Home Science, Health or Environment, wherever there is need for educating and motivating the people, the scientists and professionals shall find the book very useful.

Dr. T.N. Sujeetha is a doctorate in the field of Agricultural Extension. She has completed her U.G., P.G. and Ph.D degree programmes in Agricultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu. She has published several research articles, popular articles and review articles in reputed national and international journals. She has participated in several national and international conferences and has won several awards viz., Best Poster Award, Best Presenter Award and Best Paper Award in the field of Agricultural Extension.She has been awarded with Rajiv Gandhi National Merit Fellowship for pursuing her doctoral degree. Dr. S. Janani has completed her Ph.D degree in Agricultural Extension in Agricultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore. She has done her doctoral research on "Entrepreneurial Orientation of Rural Youth - An Analysis" and her master’s degree research was on "Training Needs of Seed Growers and Seed Dealers with respect to Promoting Quality Pulses Seed Production". She has published several research articles, popular articles and review articles in reputed national and international journals. She has presented several research papers and posters in several national and international seminars.She has been awarded with Rajiv Gandhi National Merit Fellowship for pursuing her doctoral degree. Dr. M. Asokhan is a Professor and Head in Department of Agricultural Extension and Rural Sociology, TNAU, Coimbatore. Dr. M. Asokhan was awarded Ph.D. degree in Agricultural Extension from Tamil Nadu Agricultural University Coimbatore, where he started his professional career as Assistant Professor in Agricultural Extension. He has experience of over 18 years in teaching, research and extension. He has served as Programme Coordinator KVK and Professor and Head, in Sugarcane Research Station. He has organized several on-campus and off campus trainings. He has published several research papers and articles in various reputed journals, books and magazines. He has acted as Vice-President of Society of Extension Education, TNAU, Tamil Nadu. He has acted as member in various selection committee. He has guided considerable number of students in the extension discipline and he acted as Advisory Committee Members for students from different disciplines like Rural Management, Economics, Agronomy and other disciplines. He has completed more than eight research projects. M. Priyadharshini is a doctorate in the field of Agricultural Extension. She has completed her U.G. degree programme in Horticultural College and Research Institute, Periyakulam, Tamil Nadu. She completed her P.G. and Ph.D degree programmes in Agricultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu. She has participated in several national and international conferences in the field of Agricultural Extension. "