Indian Bank — Refund not reflected in account - BEEN ONE MONTH

Ordered and returned a product (AKA CHIC Women's High Rise Slim Fit Jean) on 19 October 2021 and the price of the product was ₹ 829 and this is the order ID[[protected]] Amazon initiated the refund on 29 October 2021. But i have not received the refund and this is the refund reference number is [[protected]] Tried the customer support complaint at the bank but was of no use. Kindly resolve.

My account number is :[[protected] ]