Punjab National Bank [PNB] — Refund initiated but not received from bank

My refund of ₹575 has been initiated from AMAZON on 6th September 2022, it says within 4-5 days it will show your refund on your bank account. And Amazon has credit the amount in my respective account.
But it been more than 2 week my refund amount ₹575 has not been shown in my PNB bank account.

My Refund Reference Number for the transaction is[protected].