Indian Bank — amazon refund my money

Address:

No.27 Appar street Kamakodi nagar Valasaravakkam, Chennai, Tamil Nadu, 600087

Hi i'm revathy i order amazon product through indian bank debit card
Refund amount rs 699 order i'd[protected]
Klay led lights furniture
Indian bank account:xxxxxx6804
Name: revathy
Refund ref num:473650
Mobile num:[protected]
My amount declined i call amazon person he/she say i refund money but u contact ur bank i cal most of time but nobody responsible
Kindly resolve the issue