Indian Bank — I have a pending refund from Amazon the Amazon said to me the refund was initiated but bank is not responding

Address:

Delhi Jahangir puri 110033

Haven't received a refund of ₹4599 from amazon but they assure it has been processed on their end. I'll share their notification below :-

"your refund of rs.4599.00 has been processed successfully on 02/10/2021. The amount should reflect in your account by 02/10/2019.

The authorization code (Refund reference number) for the transaction is[protected].

In case you do not receive the refund within 5 business days, please contact your bank’s customer care and mention the above authorization code (Refund reference number) TRM0K5NB0000KTOSRU2C