Punjab National Bank [PNB] — Apple refund initiated but didn't get my refund in bank a/c

I ordered iphone 15 plus on 27sept and got cancelled on 4th October apple processed my refund on 5th of October after 15 days till i didn't get my refund i contacted apple they processed my refund again and provide me reference number but pnb is not helping me by tracking and credit the amount in my account i have two following reference number[protected] another reference no.- YCPI[protected] i also attached the documents