E-Learning helps in educating students with the use of electronic media. Appropriate multimedia can potentially enhance a student's learning capabilities. Some of the principles of E-Learning are modality principle, coherence principle, contiguity principle, multimedia principle, learner control principle, etc. The objective of this book is to give a general view of the different areas of E-Learning and its applications. A number of latest researches have been included to keep the readers up-to-date with the global concepts in this area of study.