Due dates of TDS return for assessment year 2017-18 onwards, is now same for Govt. and Non-Govt. entities as follow:
For 1st Quarter (Apr-Jun) - Within 31st July.
For 2nd Quarter (Jul-Sep) - Within 31st October.
For 3rd Quarter (Oct-Dec) - Within 31st January.
For 4th Quarter (Jan-Mar) - Within 31st May.