Synopsis Distance education has come to be an integral part of the larger education system in the country. It comprises several aspects of policy, planning, technical expertise, academic versatility, motivation and educational technology. All the intricacies of the informal education system are discussed in the present publication with a view to provide the reader with comprehensive material for study, deliberation and research. There are detailed insights into concepts, principles and development, as also relevant discussion on the aspects of technology, teacher training, administration of the network, academic reorientation and contact programmes. Of especial interest are the sections on curriculum development and student retention. The detailed study of the Indira Gandhi National Open University provides a well-desired insight into the practical aspects of the subject. The publication will be of immense use to all students of educations as well as all those associated with the vital matter of delivering quality education to people.