Extension Education Capsule: A Quick-Reference Guide for ICAR-JRF, SRF, ARS-NET & Other Agricultural Competitive Examinations is a concise, examination-oriented reference book designed for students and aspirants of Agricultural Extension Education. The book presents essential concepts, definitions, principles, theories, models, approaches, important contributors, institutions, programmes and factual information in a simple, point-wise format to facilitate effective learning and quick revision.

The book covers major areas of Agricultural Extension Education, including its foundations and philosophy, education and learning, extension teaching methods, audio-visual aids, communication, diffusion and adoption of innovations, agricultural journalism, participatory extension approaches, Participatory Rural Appraisal (PRA), ICT and digital agriculture, programme planning and evaluation, rural development, management, training, entrepreneurship and rural sociology. Special emphasis is placed on important facts, classifications, comparative concepts, historical developments and examination-relevant information to help learners strengthen conceptual understanding and improve recall.

This book is a valuable resource for candidates preparing for ICAR-JRF, SRF, ARS-NET and other agricultural competitive examinations. It is also useful for undergraduate and postgraduate students, doctoral scholars and researchers in Agricultural Extension Education who seek a structured, accessible and quick-reference resource for academic study and examination preparation.

Dr. Ajay Kumar Sah, Principal Scientist, ICAR-ISRI, Lucknow. An accomplished professional with over 28 years of experience in ICAR and BAU. Proven Leadership with strong managerial and soft skills. Made significant contributions to the national target of doubling farmers’ income and was applauded at national forums. Pioneered PPP and entrepreneurship-based models to empower farmers economically. Leveraged functional partnerships with FPOs, FPCs, private players, and industries. Embraced emerging technologies such as drones, IoT, GIS, and digital. Extensive exposure at regional, national, and international levels, with more than 40 awards, including the prestigious Swami Sahajanand Saraswati Outstanding Extension Scientist Award of ICAR. Credited with more than 400 publications, including research papers, conference proceedings, books, chapters, bulletins, popular articles, etc. Proven Academic and Administrative ability to implement the Deans’ Committee recommendations aligned with NEP-2020. Served as a key motivator in the professional growth of faculty and mentored young professionals. Strongly promoted partnerships with ICAR institutes, universities, industries, and startups.

Dr. Krishna Karjigi has completed his BSc. Agri from UAS Dharwad and later pursued masters and doctorate in Agricultural Extension from IARI, New Delhi. He has been awarded with several fellowships during academic years, including the Merit Scholarship in Undergraduation, ICAR-IARI Fellowship in Social Sciences (2014), ICAR-SRF (2016), and UGC-NET JRF (2016). Dr. Karjigi is actively engaged in three research projects funded by state and central agencies and his area of interest is ICT, ITK, Climate Change and Entrepreneurship Development. His research contributions include over 15 research publications in national and international peer-reviewed journals, 6 book chapters, 18 popular articles, and 3 books published by reputed publishers. Currently, he is serving as an Assistant Professor-cum-Junior Scientist in the Department of Agricultural Extension Education at Bihar Agricultural University, Sabour, Bhagalpur, Bihar.

Mr. Shubham Gaurav is a Ph.D. research scholar in the Department of Agricultural Extension Education at Bihar Agricultural University, Sabour. He has completed his M.Sc. in Agricultural Extension from CAU, Imphal and Graduation from BAU, Sabour. He has successfully cleared UGC-NET and ASRB-NET. He has authored many popular articles, abstracts, research papers, and book chapters published in various national and international magazines, journals, and souvenirs. His academic excellence has been recognized with the Best Master’s Thesis Award 2025. He has actively participated in national and international seminars, contributing significantly to research and extension education.

Dr. Praveen Kumar is currently serving as an Assistant Professor in the department of  Agricultural Extension Education at Dr. Rajendra Prasad Central Agricultural University (RPCAU), Pusa, Bihar. He holds a M.Sc.  and  Ph.D. in Agricultural Extension from ICAR-Indian Agricultural Research Institute (IARI), New Delhi, with ICAR JRF and ICAR SRF Fellowships. His research focuses on Monitoring and Evaluation and Agricultural Policy. He has professional experience of one year Subject Matter Specialist at KVK West Siang, Arunachal Pradesh. He has authored 10 research papers, review papers, 2 books, and numerous articles on major thematic areas in agriculture.  He is committed to generating evidence-based insights that strengthen agricultural policies, improve programme implementation, and enhance the effectiveness of monitoring and evaluation systems for sustainable and farmer-centric agricultural development.

Ms. Hiba Meeyo is a PhD Scholar in the Division of Agricultural Extension at ICAR- IARI New Delhi. She completed her UG in Assam Agricultural University, Jorhat and PG in CAU, Imphal. She has cleared UGC-NET JRF and ASRB-NET. Her research interests include entrepreneurship, climate change and northeastern studies.

Chapter 1. Fundamentals of Extension Education

Chapter 2. Communication and Extension method

Chapter 3. Information and Communication Technologies

Chapter 4. Diffusion and Adoption of Innovation

Chapter 5. Agricultural Journalism

Chapter 6. Models of Agricultural Extension

Chapter 7. Management

Chapter 8. Entrepreneurship Development

Chapter 9. Rural Sociology and educational psychology

Chapter 10. GENDER, WOMEN’S EMPOWERMENT, FOOD & NUTRITIONAL SECURITY