1. Communication 2. Kinds of Communication 3. Non-Verbal Aspects of Communication 4. Formal and Informal Communication 5. Importance of Communication in Extension and Models of Communication 6. Bariers and Breakdowns in Communication 7. Extension Education : Meaning, Scope, Objectives, Need, Philosophy and Principles 8. Extension Training 9. Extension Teaching Methods 10. Audio-Visual Aids 11. Rural Sociology : Introduction 12. Importance of Rural Sociology for Extension Workers 13. Rural Leadership 13. Audio-Visual Aids