ITC REVERSEL REQUIRED IF I SHOW FDR INTEREST IN GSTR-9

during the year 2017-18 not shown FDR interest in GSTR-3B and gstr-1 but now if I show FDR interest in exempt supply in GSTR-9, reversal ITC u/s 42 required or not, if I not shown in gstr-9.

please any one clarify