Virtual learning has emerged as a progressive model for education worldwide. It is prevalent in both asynchronous and synchronous learning. This book on virtual learning assesses this model as a tool for reshaping the current scenario of education and its future prospects. Included in this book are researches on topics such as E-learning design, training and evaluation, strategies, modeling, learning portals, etc. It is a collective contribution of a renowned group of international experts and will be extremely useful to students, teachers and professionals pursuing diverse fields.