Bank Of Baroda — refund initiated and done to my bank account but the bank is denying

Refund reference number "[protected]"
₹ 188.00 refund issued on aug 6, 2019.
Order date 29-jul-2019
Order #[protected]
Bank is denying the refund done to my bank account by the amazon and the refund has not been received in my account
I contacted customer service of the bank but they would not trying to solve the issue and helping in any way please do the need full as the same has been taken a long time for 3 months