Distance education has a history of over 100 years. It allows for independent study and self-directed learning through various technologies. The key aspects of distance education include the separation of teacher and learner during instruction, the use of educational media to deliver course content, and two-way communication between instructors and students. Distance education programs in India aim to provide higher education opportunities to more learners and help working professionals continue their studies. They deliver content through various technologies including print, audio/video, television, radio, and computer-based methods.