Bank Of Baroda — refund issued by amazon but not credited in my saving account

Address: 208006

Website: www.bobibanking.com

I had purchased a product from amazon of rs.499 & paid cash, 2 days after that i requested a refund, amazon refunded back my money on 19-03-18, and asked it will reflect in my account by 23-03-18, they also gave me refund reference no[protected], my saving bank account is in bank of baroda, whose account no is[protected].
My money has not been credited till now.