Mistake in GSTR 9

A user has mistakenly filed their GSTR 9 with ITC claimed as zero in Table 6, despite claiming it in GSTR 3B. They are seeking guidance on how to rectify this error, specifically asking if it can be corrected in GSTR 9C. The advice given is that while GSTR 9 cannot be revised, the discrepancy can be addressed in the GSTR 9C reconciliation by noting the difference, even though the ITC amount cannot be directly entered into Table 6 of GSTR 9C if it reflects zero from GSTR 9.