Synopsis Educational Television (ETV) plays a significant role in educational development of the country. The special initiative of UGC in introducing Countrywide Classroom (CWCR) brought a momentum for ETC at higher education stage. The book traces the development of ETV in India with special reference to CWCT. The major focus of the book remains on conducting experiment on effectiveness of different modes of presentation of ETV in classroom setting with special emphasis on Talk-Back mode. The book will be useful as a major source of reference for researchers and educational technology experts, as well as a valuable text for M.Phil., M.A. Education and M.Ed. Students in the area of educational technology.