If some one filed original return on due date and subsequently revised the return.
For submitting ITR V there is time allowed by CPC is 180 days. However before expiry of 180 days from submitting revised return original return get processed.
20 December 2014
As per section 139(5) a return can be revised upto the date one year from the end of relevant assessment year i.e for financial year 2013-14 a return can be revised upto 31st March 2016.
In you case ITR will again reprocess and have no implication
20 December 2014
you have to send the return acknowledge within 120 days from the date of filing of return. and if you file return after due date then you cannot revised the return.