Amazon India — Refund is not reflecting in my account

I have purchased an item on Amazon and the order was confirmed. Later I received an email saying that my order got canceled and the money will be refunded in 3-5 working days. I'm supposed to get the refund within 23-Sep-22. And it was not reflecting, so I contacted Amazon Customer Service. They informed me that the refund was initiated by 18-Sep-22 itself. Later they advised to contact the bank. Kindly do the needful and expedite the refund as soon as possible.
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