1. The biggest advantage of filing returns online is that one doesn't have to run from pillar to post in income tax offices unnecessarily which consumes enormous time and effort.
2. The whole process of filing returns online takes only about 15 minutes provided the tax filer knows all the details of filling the forms.
3.Moreover the copy of the return is available instantly and the refunds (if any) are more readily disbursed by the income tax department in cases of e- filing of tax as compared to traditional method of filling returns.
4.Several problems arise because of the wrong addresses provided by the tax payers and this problem is eliminated in case of online tax returns.