Income Tax Calculator India 2011 – 2012: This simple and easy to use tax calculator lets you calculate the tax outgo for Assessment Year 2011-12 (corresponding to the last Financial Year 2010-11). You can also calculate for previous FY 2009 – 2010 and current Financial Year 2011 – 2012. The calculator takes care of all the necessary calculations. There is no need to download and it’s not available in downloadable XL format