Punjab National Bank [PNB] — Refund not received in bank account from Amazon contacted bank but they are not responding I have refund reference also given from

Address:

Jaipur, Rajasthan

Hello, since last 20 days I expect my refund in my pnb account but still i don't get it, i have my refund reference provided by Amazon but bank denied and say that there's no amount received the amount received should be 299. I have mailed the bank also. My name is Anuradha in bank and phone no. Is[protected].
Refund reference provided by Amazon:
[protected]