Reliance Mart — Reliance Mart Bill amount paid twice - no refund yet

Address:

Reliance smart bazar, sun city mall, baddi distt solan himachal pradesh pincode 173205

Issue : I was made to pay twice, and no refund has been issued to me yet.

On 04/11/2023, I shopped at the reliance smart bazaar located in sun City Mall Baddi Himachal Pradesh pincode 173205

During payment via UPI, of amount Rs. 1345.75 the amount was deducted from my account but I was told that payment has not been received on their end.
I was told to pay again via cash and I paid again.
I was told that the amount paid via UPI will be refunded in full. I also share them upi reference no regarding the payment which was already deducted from my account, but staff was adamant to listen. Complaint was registered for the same

I DID NOT receive any refund till now as the store manager was telling they will take more then 10 days to process.