Organic farming is a production system which avoids the use of synthetically compounded fertilizers, pesticides and growth regulators. This system relies upon crop rotations, use of crop residues, animal manures, legumes, green manures and biofertilizers. The modern system of farming is becoming unsustainable as evidenced by damage to environment, chemical contaminations and health hazards, etc. The necessity of having an alternative agriculture method which can function in a friendly eco-system. Organic farming is recognized as the best known alternative to the conventional agriculture. India has a rich history of organic farming and the increasing domestic market of organic food can provide the necessary drive to the organic movement. Organic farming has several advantages over the conventional one apart from the protection of both the environment and human health. Improved soil fertility, better water quality, prevention of soil erosion, generation of rural employment, etc. are some of them. Here we are discussing in this article, to explain organic farming for improving human race and nature by maintaining sustainable agroecosystem along with its relevance, problems and constraints in India.