Jewellery — he cheated my amount

Hi team
In the fb i post the need jewellery one guy comment available i asked price and order he cheated me.. He ask me to pay 400rs i paid amount through paytm after that he deactivated the fb account. I called him he said i'm not the that person i said i have proof pay on your number he saying one person come and get the amount. He cheated very much i attached all my proof.. Please help me to refund my amount. It's all poor people amount try to catch him.