The book Organic Agriculture: An Overview represents different aspects of organic agriculture. This book has detailed elaborations on organic farming, biofertilizers, role of pests and pesticides, biopesticides in crop protection, weed management, vegetables and fruit production by organic farming. The book also highlights about the agricultural policies in India, scenario of organic food consumption, export of organic products from India and its certification. Similarly topics like use of biofertilizers and biopesticides towards zero residue farming is also highlighted in the book. The lack of sustainability in production in recent years is becoming a major cause of concern. The irrational and indiscriminate use of chemical fertilizers, herbicides and pesticides (insecticides, fungicides and nematicides) causes many negative consequences, mainly the famous 3 R’s like resistance, resurgence and residue aspects. These factors also cause indirect effects on the human and soil health, environment and for sustainability of modern agriculture. Overall, this book is covering the most of the aspects of organic agriculture and will provide latest informations to students, teachers, researchers and agriculturists who are working on organic agriculture.