Its fraud

Location/place: Datia

Name of company/service: Pnb account

Sir on 31/10/2012 i pay my rgpv college fee through billdesk through my internet banking pnb account but fee is pay 2 times fee is 650 ane 650 i want my 650 refund but billdesk take no action sir my transaction id 2042975 plz work on this