Check this Online Income Tax calculator for estimating your Income Tax for the year 2008-09 Income Slab Tax Rate Up to Rs.1,50,000 (Male) / Up to Rs 1,80,000 (Female) / Up to 2,25,000 (for resident individual of 65 years or above) NIL Rs. 1,50,001 to Rs. 3,00,000 (Male)/ ...