Adidas — Refund not received for order number AIN01077460

I had ordered the product
Essentials Insulated Hooded Jacket
GT9154
Focus Olive
XL (Men)
on 11/7/22 ( via Cash on Delivery). I had applied for the return of the product. I was assured that I will receive a refund of 3 499.50 rupees after the product reaches their warehouse. The product reached the warehouse on 24/7/2022 and they promised to refund me within 14 working days and today it's 18/8/2022 and I haven't received any refund yet. Multiple attempts have been made to contact customer service but with no response. Please do something about this issue.
Order number:- AIN01077460