Indian Bank — Refund from Amazon not received yet now

Address:

4 201-202 Nawabpet Nellore 524002 ANDHRA PRADESH BranchNAWABPET

I had ordered Amazon brand house and shields jeans pant on 13Jan2022, I had requested return of the product on 17Jan2022. It was picked up on 18Jan2022 & Amazon initiated the refund on 18Jan2022. Refund has been completed by Amazon and Refund Reference number is RRN(30005420192013017101323).The last date for refund to reflect in my account was on 23Jan2022, but today is 27Jan2022 and I have not received the amount in my bank account yet. Other details such as order ID and price of the product, I have provided in the image section.
This is urgent please help me as soon as possible