State Bank Of India [SBI] — Refund Never Processed

Made a purchase from amazon which comprises of 2 orders worth 11858. later on, same day i cancelled the 2nd product worth 1359. at the end of day i got a email form amazon that the refund is made and this is The Authorization Code (Refund Reference Number) for the transaction is 206552.

and they asked me to contact the customer care of the bank to track the refund which is not yet processed.

I have called the state bank of india customer service and also emailed the state bank of india main branch all the details many times including the unique transaction reference number but nobody has replied or resolved the problem. No action is being taken