Indian Bank — Refund of my amazon order in ICICI bank account

I had ordered a tshirt from amazon which was bigger in in size so I requested to return it before it reaches me to prevent waste of time. I ordered it on 16th September 2020 and my order id of the product is[protected].my total amount to pay was 1609 of which I paid 239 with my amazon pay balance and 1370 with debit card. The amount of amazon pay balance was refunded but the 1370 rupees is not refunded till now in my bank account. But I have the refund reference number-[protected]. I request to ICICI bank to help me with this problem.