sir order while reciving I showed it in front of courier man that it was fake and duplicate item suspicious sellet

sir order while reciving I showed that it was fake and duplicate item which i showed to courier man he told he will talk with manager and I will make return and refund the amount but tommorow morning he does not recived my calls i searched and went to courier office and asked manager he told i will raise complaint and he take photos also and finally he told we has credited amount to seller Fraud and Cheating has done contacted Amazon customer care to resolve this problem Immediately and refund amount immediately but still not resolved this problem