Amazon India — cancellation product refund amount

1)19/05/2019 I order Prasanth ladder
2)20/5/2019 I cancell this product
3)I fully paid RS 2799 on Indian bank debit card
4) 04/06/2019 from Amazon message to me we initiated your amount
5)still date amount not refund
Ref no. [protected]
6)I contact with customer care more than 5 times