The due date for submission of ITR-V for A.Y. 2011-12 has been extended upto 31.03.2012 or 120 days from the date of upload whichever is later.
If you have e filed your Income-tax return and have failed to send the signed ITR-V to CPC-Bangalore, here is an opportunity for you to submit the ITR-V now. Those who have sent the ITR-V and yet to get the acknowledgement for the same can also make use of this opportunity. For the A.Y.2011-12 (F.Y.2010-11) , you can send the ITR-V till 31/03/2012 or 120 days from the date of upload whichever is later.
Source :- www.incometaxindiaefiling.gov.in