Bank Of India — Refund Initiated By Amazon But Still Not Received In My Bank

I have ordered a item on amazon on 10th September 2021 by mistake so I cancelled the order, the price of the item is 259 and this is the order ID[protected] and 15th September was the date of initiate refund and I still not received refund on my bank account and this is the reference number -
Refund Reference Number (RRN) - 408501