Bank Of Baroda — charge dispute towards bank of baroda issue in refund by amazon

Address: Mysore, Karnataka, 570017

Refund of rs. 14323/- has been made by amazon on 20th february 2020. Regarding a product (Order number is[protected] (2 items were booked in a single payment so rs13890 + 433 = 14323/-)
"the reference number of the refund is - 6ax8cufq0000k6800vug
But, the refund has not been received yet.
Bank is saying no amount has been received by them. I've talked to them again and again but no responss is coming. So i need to file a"charge dispute" on them, to get the full details.
I need bank to resolve this issue as soon as possible