This book is prepared for undergraduate agricultural source of Dimension of Agricultural Extension as per revised curriculum in Extension Education for B.Sc. (Agri) degree programme.

Agricultural Education has undergone a change in its contents, approaches, emphasis and even methodology. As a vast research knowledge is being generated, new areas of learning in agriculture are being explored, teaching approaches are constantly modified, farmers orientation is getting changed, professionals challenge is increasing so new items are being added with every passing ear in the Agricultural Education system. The 4th Deans committee recommended the present course curricula and this book is prepared as per the new contents. Some additional but important contents are also included in the book for the benefit of the students.