Punjab National Bank [PNB] — Refund initiated by Amazon but not received in my bank account

I have ordered two products on amazon on 1/04/23 . Price of the products were 3999 and 3999 . Order id of the products were #[protected] and #[protected] . I have done my payment on my PNB debit card . Unfortunately for some reason i have to cancel the products that day and amazon issued my refund on the same day but till now i have not received any amount in bank account . Amazon gave me the refund reference number and the refund reference numbers are -

#[protected]
#[protected]