Baroda Rajasthan Kshetriya Gramin Bank — refund not received

Amazon has initiated refund of 15990 rs on 20th november but it's not reflect in my account.
Amazon provide me transaction id and told me reference i'd only generate after amount transfer to bank.

I have called customer care multiple time and enquired in bank multiple time but not response.

Amazon reference[protected]
Account number - [protected]