This book offers core ideas on basic agricultural extension programme planning, monitoring and evaluation that will be useful for academicians in a class-room setting, as well as for researchers in rural and agricultural extension to understand development in practice. These ideas are highly related to the success or failure of extension programmes in field situations. This work helps a student of rural and agricultural extension be acquainted with ideas and techniques of agricultural Programme development. Understanding the concepts, principles and related intricacies of agricultural extension enable a practitioner to plan extension programme, similarly a researcher to plan his/her studies on the impact of extension at different levels. Thus, this book aims at benefiting an array of audience including practitioners, students, teachers and researchers in rural and agricultural extension.