Electronic Commerce, popularly known as E-commerce is booming in India offering new ways of doing business. Referring to aspects of online business involving exchanges among customers, business partners and vendors, e-commerce has increased the speed and ease with which business can be transacted today, resulting in intense competition between enterprises. Companies are at the crossroads, with just two vistas ahead of them—either go online or go out of business. The comprehensive coverage of this Fifth Edition equips the students with the latest information on e-commerce—concepts, models, strategies, and techniques that can be used to build useful e-commerce applications. The range of topics covered is broad, making this book a solid introductory text for the rapidly expanding number of courses in e-commerce for business students at undergraduate or postgraduate level, and also for the students pursuing courses in computer applications, information technology and information science. The book features several comprehensive and diverse case studies and data on Indian corporations, as well as multinational companies showing success and failure of their Web-based electronic business models. New material on developments in technology and taxation issues have been added. This fundamental treatment of the subject of e-commerce coupled with a clear and practical analysis of market models, continues to make this text an invaluable single source guide for students—arming them with skills to deal successfully with the managerial issues they will face as future business professionals.