Quikr — Taken money for premium ads and next morning refuses to run the ad

Address:

Delhi

I have put an ads of a paper money to sell on this app and at the time o[censored]ploading the pics and other details they asked to pay for premium ads to run the ads oll over india and i opted that and pay the amount 599 to them after that next morning I received a call from their department we cant run the ads because u have paper currency not the coins so i asked them at the time of taking money you have to clear me out but she said now i am saying your ads will not run so i asked her to refund my amount she said no that cant be refunded if this a fraud company or what