Bank Of Baroda — bank of baroda file charge dispute

Address: Kolkata, West Bengal, 7003201969

I cancel my order in amazon, amazon had refund intiated on 22/jan/2019 but bank say there are no refund had gave, but amazon get a reference no[protected] but bank would not have any information, i pay through bhim upi amazon confirm my. Amaunt was successfully reflect in my account, and gave reference number, but my amount doesn't credited in my account.