Canara Bank — amount refund inr 579

Sir/madam,
I had ordered 2 products in amazon online shopping. It was cancelled on 24/10/18.
The amount was paid through online using debit card. The amount was deducted. When it was cancelled the amount was not refunded. 3-5 business days are completed and still amount is refunded to my account.
Reference number:[protected]
Amount: inr 579
Please refund my amount.