Education has revolutionized a long way from the conventional modes of learning and instruction. It has evolved from the traditional classroom settings and university environments. Distance education has brought a dynamic shift in the student-teacher interaction and relation as well as exchange of knowledge and information between different individuals separated by barriers like time and distance. This book provides a cohesive overview of the distance learning programs and courses that are being implemented and practiced around the globe. Some of the most significant concepts and principles of distance education are being discussed in this book via researches contributed by internationally renowned faculty members and academicians. Students, researchers and professionals alike will find this text extremely helpful in understanding both the pedagogical as well as the technological aspects of distance education.