last date for individual whose accounts are not audited is 31st march 2008, if late then penal interest @ 1%pm of delay on the tax.
for those whose a/c are audited last date is 31 july 2008 and for companies and others it is 31 october 2008
As per circular of Income Tax DEPT, For ASST YEAR 2007-08 , the last date for filling Income tax return is 29-2-2008 , FOR ALL ASSESSEE. (WITHOUT ANY PENALTY)