mismatch of Turnover in 26AS and books

Hi,
Invoice have been raised in April 2018 and tax have also been in the April Gstr- 3B.

But the client have deduc
ted the Tds in March 2018..and made payment to us...

Now in our 26AS..that invoice amount is also being seen..because of this our turnover is not matching...for the filing of IT

what to do..???