How is Integrated ITC increase against Debit note

Sir 

Please give your best suggestions for ITC Reversal or Increase. 

We showed debit note in GSTR-1 last year and did not deduct ITC from purchase,But we have just made the amount zero by amending  the debit note in the September return.Last year, which we had paid wrong GST through debitnote, which we had to adjust from the purchase, now how do we adjust for September 2021 GSTR3B now. 'Integrated ITC

please