Postpe — Refund not coming for failed transaction

Hello sir,
I tried to pay the PostPe bill using IDFC Debit card on June 3rd and amount is 1, 15, 182, this transaction is failed but still i did not get the refund, and i paid again this amount using axis bank,

in twitter - they told me to raise charge back request and they will approve, but still 2 times rejected the charge back request

i have email communication and twitter communication, please help me to get refund