The internet is system of connected computer, which allows the computer users all around the world to exchange information. It is the quickly tool of communication. The principal components of the internet are the World Wide Web (w w w) and email. We can find any type of information on any subject with the help of the search engines like. Yahoo and Google. It is a popular medium of entertainment. The internet has become the most effective business tool in the contemporary world. We can buy and sell anything through it. A variety of service are offered via internet, for example job searching, banking , hotel reservation and consultation service etc. when we avail these service offline, they more expensive .The negative points of the internet are finite. There are numerous pornographic sites available over internet and watching any of those can destroy the mental health of young users. While using the internet, there is high probability that user’s details like name, address and credit card numbers may be accessed by con artists and used for fraudulent.