GSTR1 SOLTION REQUIRED FOR WRONG TURNOVER

Amar Adiga (7 Points)

04 October 2017  
one of my client in GSTR1 THE turnover of the last FY & 3Month of this year has recorded properly even before submitting the return he downloaded the pdf. but after submitting the turnover interchanged . please kindly some one explain me the solution and the way for corrctioning