Indian Bank — Dispute charge form

On 25th o may 2020, i purchased a gas stove worth rs 3449/- from amazon and later by the order got cancelled and refund got generated from amazon side with refund reference 892470, but it's 1st of june now and i haven't received it on my bank, so i called my bank customer support and they told me to visit the branch but i got no response neither from branch side employees nor from customer support. Kindly resolve my issue.