PhonePe — done payment to a fraud phonepe number

Address:

Banglore

I have sended advance money of 10800rs to an mobile seller bcz he had taken my address and promised that he will courier the cel but now because he talked me such that i trusted him.. But it was a my big mistake now he is not courierd any cel nor refunded money so i can refund my money done by phonepe?
He is fraud guy u have call recordings, transaction details all..
But how do i refund now my money.