If you missed the income tax return filing/ return of income deadline of 31st July 2010 for filing your return of income for financial year ending 31st March 2010, you can still file the return of income/ online return filing before file your return before March 31st 2011 without any penalty provision. However, in case, when you file your income tax return after 31st July 2010, interest @1% per month or part of month shall be leviable on the outstanding tax liability, commencing from the due date of filing the return till the date of actual furnishing the return i.e. from August 2010. If you delay in filing your return of income/tax returns beyond March 31st 2011, you can still file the return of income/ tax returns before March 31st 2012 but in such case penalty can be imposed by the IT Department, in addition to penal interest. Thus, in view of above, it is rational to file your return of income before March 2010 and just relax. We are request you to contact Taxmantra.com for hassle free filing of your return of income/ online return filing. At , Taxmantra.com , we just require your salary certificate/ other income details to file return of income. Taxmantra.com offers excellent tax support in addition to filing of return of income and comprehensive tax planning. You just need to fill in a form with basic details after attaching your salary certificate/ other income details, after which we take care to online tax return filing in most hassle free manner, making online income tax filing an excellent experience. Get in touch with us to file tax return online today and stay hassle free. Also refer to our earlier posts on this subject, Online return filing, Plan your taxes and file your return of income/ online tax returns – Minimise Taxes, Filing of Return of Income.