Online trading symbolizes the perfect synergy between technology and the mind numbering intricacies of stock markets in bringing about a paradigm shift in the way financial markets operate in recent times. It facilitates faster and efficient transaction of stocks and share through the internet, while keeping the basic principles of share trading intact. In addition to replication the traditional stock trading business on the net, online trading has led to developed rapidly of a plethora of peripheral business units in the form of e-broking firms, web-advisors, e-consultants, etc.Across the globe, bulk of the trading is being done through the net, provding online trading to be an instant success among the investors and intermediaries. Across the globe, bulk of the trading is being done through the net, provding online trading to be an instant success among the investors and intermediaries. It also renders a harmonic integration of investors, e-broking firms, banks, stock exchanges and the depositories with the possibility of a ‘single window system’, in the near future. Such a process will authorise the execution of trade at‘t+o’, rather then the existing ‘T+2’ time cycle. The emergence of high-tech mechanisms like straight.