22 January 2014
For AY 2013-14, last date for filing under 139(1) are already gone...but you can file belated returns upto 31 March 2015.
with regards to AY 2014-15, normally due dates should be for individuals and other non-tax audit cases 31 July 2014...for companies and tax audit cases 30 September 2014...Transfer pricing cases 30 November 2014..