25 December 2014
1)If you are filing income tax return for A.Y.2014-15 you can claim TDS credit as available in form 26AS of A.Y.2014-15. how it is possible to claim TDS of A.Y.2013-14 in A.Y.2014-15
2)If you have TDS Credit in A.Y.2013-14 you need to file return for that year seperately.