"Cloud computing is used to provide scalable services which are easily used over the internet as per the need basis. Cloud computing is a technology which uses internet and remote servers to store data and application. In cloud, there is no need to install particular hardware, software on user machine, so user can get the required infrastructure on his machine in cheap charges/rates. A major feature of the cloud services is that user's data are remotely processed in unknown machines that users are not operating. Cloud computing based solutions are becoming popular and adopted widely because of its low-maintenance and commercial characteristics."