The document discusses several agencies involved in distance education in India including the Distance Education Council (DEC), University Grants Commission (UGC), Indira Gandhi National Open University (IGNOU), and Tamil Nadu Open University (TNOU). It also outlines the roles of these agencies and learning centers in providing distance education, such as developing programs, setting standards, and supporting learners. Learning centers help facilitate interaction between learners, instructors, and course content to enhance the distance education experience.