Reebok India — Refund not initiated-product returned

Website:

M.shop4reebok.com

I received a show on 2nd dec 2021 which i ordered from shop4reebok.com. i returned that product same day as there was a size issue. The product was collected on 3 rd dec 2021. I received the confirmation email in 7th dec stating that after quality check i will be updated and my refund will be initiated.Since then i have not received any update and i have sent sevetal emails to them. Even my refund is not initiated. I am wondering now if it is an original Reebok website.