[Resolved]  State Bank Of India [SBI] — Refund initiated by Amazon but not refunded to my account

Hi,
On 20th February, I have paid electricity bill through Amazon pay. Amount Rs.1600 was debited from my SBI debit card. After debited automatically payment Was failed. I got the below message.

Dear customer,
We are sorry that your bill payment for Tamil Nadu Electricity Board (TNEB) Consumer Number[protected] for Rs.1600.00 has failed.
Order Id:[protected]
click here to place another order.
If you had paid using Amazon Pay balance, you will receive your refund instantly back in Amazon Pay Balance. In case of "net banking/credit card/debit card", the refund will be processed within 3-5 business days.
We hope to see you again soon!
Amazon.in

But still my amount was not credited to my account.. when I checked with Amazon customer care..they told like we have done from my end and they have provided Refund Reference Number. Could you please check and provide my 1600rs ASAP.

Refund Reference Number : 75503722053013666803061

Thanks,
Bhuvaneshwari.K