Wrong input tax credit claimed

hello mam im too facing this similar situation i wronlgly put my purchase amount in intergrated tax column in table 4 ITC available under intergrated tax.. before i get to know about this mistake i filled my return due to which my electronic credit ledger is increased. but now im trying to file this month return and im putting the same amount in ITC reversed in table 4 under ITC available. but the electronic credit ledger is not decreasing its still increasing please help