[Resolved]  Punjab National Bank [PNB] — Refund of rs 1570 not credited into my PNB BANK ACCOUNT though AMAZON issued the same (Refund Reference #[protected]

SIR, WIth due respect i want to state that i was to get a refund from amazon AMOUNTIING to RS 1570 on 23rd june 2020 from AMAZON, INDIA due to cancellation of the order (since I ha paid PREPAID FOR THE ORDER VIA amazon upi) but UNFORTUNATELY THE AMOUNT DIDNT GET CREDITED INTO MY BANK ACCOUNT TILL TODAY.
I contacted PNB CUSTOMER SERVICE and on giving my details to them they told no such pending amount is there tobe credited or being credited into my PNB BANK ACCOUNT and they told me to contact AMAZON... I EVEN MAILED THEM and they even replied the same via mail (MAIL COPY ATTACHED).
I now contacted amazon customer care but they told that amount has been issued from them and they provided me the REFUND REFERENCE NUMBER[protected] and told me to contact bank or raise complaint as REFUND NOT PROCESSED by the reference no
[protected]I AM EVEN ATTACHING THE EMAIL THEY SENT ME)
I AM REALLY FEELING HELPLESS. PLEASE HELP ME OUT.. YOUR ACTIVE COOPERATION IS HIGHLY SOLICITED SO THAT I GET THE REFUND OF RS 1570 INTO MY NAK ACCOUNT.

DETAILS;
UPI NO- [protected]@apl
REFUND REFERENCE NUMBER(provided by amazon[protected]
Date of refund -23 rd june, 2021

MY PNB ACCOUNT NO[protected]
ACCOUNT HOLDER NAME-SOUMYANATH MALLIK
REGISTERED PHNE NO – [protected]