28 August 2015
If Income Tax Return for AY 2015-16 is not filed within due date the you can file the belated return u/s 139(4) upto 31.03.2016 without any penalty. Remember belated return filed u/s 139(4) can not be revised. Return can also be filed from 01.04.2016 to 31.03.2017 but subject to a maximum penalty of Rs 5000/- u/s 271F.