Amazon — Refund initiated but not credited to my bank account

Website:

Amazon

I order 3 shoes i.e. 2 puma and one adidas but the order was wrong and placed an refund. The company has initiated refund on 20th october but till today i didn't receive my money. Amazon gave me reference numbers for the same . I visited banks personally and also called customer care but they told that they can't do anything regarding this. Reference number for the same are...[protected],[protected] and[protected]. I request you to track through this rnn number and please help me getting my money back asap!! And the order total was 5377