To file invalidated it reurn for ay - 2016-17

The return filed by you was not responded within stipulated time for the rectification u/s. 139(9), hence became invalid.

It means original return not filed.

So, file fresh return u/s. 139(4), i.e. belated return........ with all the indicated defects rectified.

Please check the defects specified in the notice issued by department accordingly rectify the same and file the rectification return in response to defective notice. Practically, now a days department is invalidating returns if Acknowledgement copy of ITR-V is not sent to Bangalore within 120 days or ereturn has not been e-verified. So if that is the case than you can simply e-verify return online. For further query contact : 9819381614