We have great pleasure in presenting First edition "E-Commerce" written for students of UG courses. The Subject related matter is written in a simple and easily understandable language with sufficient support from real E-Commerce information. The language of the book is simple and the coverage of various unit is exhaustive with examples. This work is prepared as a basic material for the learners to know fully about E-Commerce. We have tried to make the book very useful for the students but still we will thankfully solicit and incorporate the suggestions of our readers. This title "E-Commerce" provides them an opportunity to develop the skills necessary to meet the challenges. This is an attempt to provide the students with thorough understanding of E-Commerce Concepts. In writing this book we have benefited immensely from the studies of a number of books and the articles written by scholars spread over diversely. Contents - 1.Introduction to E-Commerce 2.Comparison of Web based with Traditional Business 3.Growth of E-Commerce 4.E-Business 5.Present Status of E-Commerce in India 6.Regulatory Aspects of E-Commerce 7.Changing Structure of Organisation 8.Socio-economic Impacts of Electronic Commerce 9.Electronic Payment Systems 10.Electronic Data Interchange 11.Digital Signatures 12.Interoperability and Intercompatibility Solved Model Question Papers Previous Year Question Papers Last Minute Revision (LMR)