URGENT - GSTR 2B and GSTR 3B mismatch

Shiva Durg (52 Points)

24 August 2022  
Suppose I've ITC for the month of July 2021, but I've wrongly filed nil GSTR 3B for that month. What can I do now (Aug 2022) after identifying out the shortfall of ITC claimed in July 2021?