Zivame — Items not received and refund is also not credited

Hi team,
i have placed the order on zivame on 11/09/2022 i have waited for 4 weeks but the items are not received, so i have requested for cancellation of the order. customer care said they will cancel the order and refund my amount. today is th 18th Oct but still i did not receive my refund amount. kindly take an action