This book is of highly usable for the students of BSC (CS), BSC (IT), B.Tech (CSE), B.Tech (IT) and MCA who involved in this field. This book is divided into five chapters and all topics are illustrated with clear diagrams, very simple language is used throughout the text to facilitate easy understanding of concepts, Students will find the parts in the earliest way that they can understand.This book is taxonomy and thesaurus of current E-commerce policy issues, including a thorough description of each issue and a corresponding list of pros and cons with respect to identified stances on each issue. It documents policy alternatives for the sake of clarity with respect to policy alone, and dives into organizational implementation issues. Without using technical jargon, the book emphasizes the importance of critical and analytical thinking when making policy decisions. It also equips the reader with descriptions of the impact of specific policy choices, both positive and negative.