Allahabad Bank — sent money to other number

Address:

721121

Sent money by phonepe to other number but he not to refund my money..and he refused me. I sent money to biman bera phonepe account. But he not to refund my money..yesterday 2 pm i transfer money .transaction was successful .the utr no is[protected]..what i do at he moments..what process i use to for refund my money..please help me my name is m.sar .thanking you