Ajio — Refund for cancelled product.

A/c no. : [protected]
Ifsc code : IDIB000T111
Name: Karthik V
I had purchased two product from ajio on 05/02/2021 order id FL[protected] and the payment is prepaid payment by indian bank debit card for amount ₹1322 order placed successfully transaction details (DEBIT RRN
[protected]
For 05/02
Trasactions) but the amount debited from my account was on 11/02/2021 and I cancelled one of my order on 05/02/2021 for that product refund amount ₹971 is to be credited to my account but it is not credited till now.
When I asked ajio customer service they said we have initiated the refund from our side if the amount is not credited to your account you can raise a charge back from your bank by the given ARN no. (Attached below) when I went to bank and asked them about charge back they said the problem is not from bank side you should only contact the ajio care for the refund.
Solve my issue.