Please note that 7th Octoberis the last date for TDS and TCS payments for the deductions made in September 2017. Make sure to do the needful on time to avoid interest.
TCS returns have to be filed by 15th October and TCS certificates are to be issued within 30th October.
Filing of TDS Returns for the quarter ended September 2017 (FY:2017-18 Quarter 2) is already under way since 1st October and the last date is 31st October 2017.