PNB — The refund amount is not credited in my account.

Address:	Pnb JNMC, WARDHA.
Website:	www.pnb.com

Dear sir,
I have a account with your bank, in recent days I have done the transaction with Amazon shopping, due to some resason the order is cancel the refund amountis 341.6 is process on my account on date 24 june 2021. And it will refund on 28 June. Still amount not credit in my account, when I speak with customer care they told me ask to Amazon. Demanding from UTR number.
When I talk with Amazon they told me this number is with bank.
My account number is: [protected].
Kindly solve this problem as early as possible.