Bank Of Baroda — amount not received

Address: Lucknow, Uttar Pradesh, 226002

A refund of 329 rs. Has been made by amazon on 14th of oct regarding a product which i've buyed from the amazon on 7 oct. But the refund has not been received yet. Bank is saying no amount has been received by them. I have talk to them again and again but no respons 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. Amazon has given me ref. No. Of transaction amount which is[protected].