State Bank Of India [SBI] — refund for the cancellation of order of herbalife dutch chocolate formula 1 shake and personalized protein powder has not been processed yet

Sir i have made the above describe order worth rs 1929/- to amazon on 1st september 2019, i paid through upi for thi (See attachment) and due to the later date of delivery of the product i cancelled the order after 2 hours.
Thus amazon had processed the amount on the same day and informed me by sending e-mail which consist of reference number (See attachment) but sbi has not processed the amount yet. I have called sbi customer care executive but they were arguing repeatedly that this is the task of amazon to provide you your money whereas amazon claims with proof that they have processed the amount from their side..
It has been 10 days since and i haven't receive my amount yet.
Kindly help!!
Thank you.