Punjab National Bank [PNB] — Refund initiated but money not received into my account.

Address:

Borivali West, Mumbai-400092

I am Tejas P Naik holding an account with Punjab National Bank. I had purchased an Sandisk pen drive from Amazon website using a debit card. For unavoidable reasons, I had to return the order. Amazon issued a refund on 27th January, 2021 amount Ru 467 but it is still not reflected into my account. Following are the details.

RRN- 74332741023102272240987
Account name- Tejas P Naik
Account Number- [protected]
Branch- Borivali West, Mumbai-400092
IFSC Code- PUNB0028710

My account has been transferred from Oriental Bank of Commerce to PNB on account of merger.
Please transfer the amount into my account at the earliest. Thank you.