Synopsis In a vast country such as India using information and communication technologies in distance education mode has the potential for cost-effective in-service education of teachers. As access to the Internet is mainly promotion of its use for education has become a cause of concern for it can only exacerbate the digital divide. The text of the book is prepared for the need of students, teachers, academic and IT professionals. The subject matter of the book has been taken from various books, magazines and journals to make it more comprehensive and complete in all aspects.