Central Bank Of India — Money not been credited though its transferred by a amazon

Dear sir/mam one of my refund amount 7999 which send to my account on 12th May 2021 from amzon.in they send to my account .My account no. Is [protected]. they also provide refund reference no. 30005111231123149947432 and i have waiting almost 12 days but the amount didn't reflect in my account. I have complained against it on my branch but i didn't get proper solution from bank manngeer. I have complain against it but still it's not reflect in my account.
My phone no. Is [protected].

Dear sir i have including refund details with reference no. And complain report so please refund my money as soon as possible.