Canara Bank — refund not processed even after 6 days

Address:

New Delhi, Delhi, 110030

Hi i am anita and i have account in canara bank ghitorni branch... I made a transaction on amazon on 26th october, which i later cancelled on same day and amazon issued my refund on 27th and which was preceded the same day.. But till today 3rd november i haven't received my refund... I contacted my branch but they are saying that they cannot do anything... I then contacted canara customer care and they also are saying they cannot do anything... Refund reference number...384439