Billdesk — online payment refund

I had the paid the payment through google pay, at the time money already deducted from my bank account but not received by mgvcl. Many time i had complaint against bharat bill pay regarding refund but still refund not received.
Complaint Details are below:
Complaint Id: - BD[protected]
ComplaintID: BD[protected]
Type Of Complaint: Transaction Assigned IndiaIdeas.com Ltd
Description: Amount deducted from bank account but Biller account not credited. Bill payment faild. Still refund
amount not credited in my bank account.
ComplaintReason Amount deducted, biller account not credited & transaction ID not received
ComplaintDate[protected]:06:04