Indian Army — on olx mobile cheat

Hello sir my name is mosin i looking for old mobile so i was search on olx i show mi note 5 pro so. I contact him. And deal final at 4500 rs his name vikas patel (Cheated) he said i m in army.. I live at ahemdabad army camp.. Then deal done he said frist pay 1050rs for courier and for confirmation so i was pay... Then after some he agian call me and then said i also pay 1250 for head couter comfirmation then we have lots of talk i record all call i have all proof mobile num and all plz help me sir... 🙏 my mob num [protected] jai hind