When you file your ITR (Income Tax Returns) online, the process is called e-filing and due to its convenience, it is gaining popularity these days to file the returns through the
incometaxindiaefiling.gov.in registration India web portal, where ITR Filing is mandatory for all Indian citizens with annual earnings of a certain amount and unlike earlier, you need not visit the Income Tax Department to file your returns, and Instead, you can do an efiling of your returns from the comfort of your home or office.