State Bank Of India [SBI] — Merchant refund not received in bank account

Sir, I ordered a Michael Kors Analog Gold Dial watch on 11 February 2022 through UPI for an amount of 14495.00 rupees.
I returned the product on 20 February 2022.
For the purpose of refund, I Linked my bank account. From Amazon, they clearly mentioned that they initiated the refund to my bank account on 21 February 2022 and it was expected to be credited on 26 February 2022.
But Till now the bank didn’t credit to me!

Amazon Customer Service gave the *Reference Id for the issued refund:[protected]
Till now bank has not credited my money Rs:14495

And I have asked the bank regarding this . They are not at all responding.

This is urgent. please help me as soon as possible to get back my money.