Syndicate Bank — refund issue from amazon online shopping website

Hi,
I have purchased some products from amazon. Due to some issue it's went return and they put refund but it's not showing in my account they created on 18th may 2020 but till the date i didn't get. I have shopped for 3689.20/- but partial products are eligible for refund one is 999/- and another one is 1135.20/- the reference i'd for amount 999 is 9o3x6gd00000k9lbce0u. Another amount 1135.20/'- reference i'd a73wwbxl0000ka4an1af.

I went to branch also they told their is no use of this id

Can you please help me out for this issue.

Mail id - [protected]@gmail.com