Today, internet has made everything easier and you can even file tax return online. This saves your time as well as your energy and relives your stress. However, there are certain things that is mandatory for you to know while filling tax online. Here are some tips to help and guide you for filling Tax Return online. First and foremost, login to the website of the Income Tax Department and register yourself using your PAN card, if you have not registered before. Next download the Income Tax Return Form which is relevant for you. Then enter all the required details in the form but before that set the security level at medium. Next you need to validate the form and the registration process starts from here. After these steps, follow the guidelines that are given but before that upload your form in the XML page that will open during the registration process.