Synopsis In a country teeming with millions of illiterates any promise to hasten the elimination of illiteracy through innovative tools will have an instant appeal. Education Technology holds out one such promise. It seeks to re-inforce the attack on illiteracy, with the aid of radio, television, film cassette, computer and satellite programmes. The crux of the problem lies in the application of Education Technology in the field of both formal and non-formal education. It cannot be denied that Education Technology, as is being chalked out, is capital-intensive appropriate indigenous technology. The term Education Technology has been misconceived any by and large persons take it as a “Technology in Education” or “Technology of Education” but it is both and more. Education Technology is a term that has been widely used in recent years, but often in an imprecise or inconsistent manner. Its manifestation can range from programming learning through complex and expensive hardware systems to operational research studies of educational systems. Education Technology includes work in the field of the psychology of learning, audio and visual methods of presentations, educational broadcasting, instructional planning and organization, curriculum development of learning system, information systems, the allocation of resources and studies of cost and effectiveness. This study engulfs exclusively the field of teaching-learning, teaching methods, innovative teaching techniques, instructional materials and aids, curriculum development, evaluation planning, computer aids and action research are the main features of the text. The book is mainly indented for teacher trainees of L.T., B.T.C., and B.Ed. classes, teacher educators and teachers teaching at junior and senior levels. it is so designed as to cover the courses of “Theories of Teaching” of L.T. and B.Ed. courses etc.