Reversal of ITC

Hello

We have availed GST credit in April month. closed gst input  ledger by transferring the same to Electronic credit ledger.

in sep realized its, ineligible itc that we had availed in April. So from the itc of Sep, deducted ineligible itc of April while filing GSTR3-B of Sep.

Now for deducting ineligible itc availed from April what rectification entry should i pass? 

Expenses amount (with the amount of ineligible itc) Dr

To Electronic Credit Ledger A/C  

               OR

Input GST A/C Dr

To Electronic Credit Ledger A/C  

Please advise