Canara Bank — Refund initiated by amazon but still not received reference given by amazon but bank is saying no refund credited

I have order my order on date 03/11/2022 order id[protected] and received on 5/11/22 because of a issue returned it on 06/11/22 and amazon initiated my refund and asper them on 11/11/22 my refund is initiated to the bank but was it was not credited so the provided me reference id i.e.[protected] but bank is not accepting it and telling there is no refund until and I have not received my refund .