Income tax returns for individuals must be filed before July 31. That means, your income tax return for the income earned during April 2007 to March 2008 will have to be filed before the 31st of July 2008. But don’t worry if you have missed the last date. you are not liable to any penalty but only penal interest i.e. u/s 234A, 234B, 234C So I am giving a calculator for calculation of Interest u/s .....
