Trendy Western — Made a prepaid order but didn't receive the order till date

My order number is #TW16464 which was placed on 3 Nov 2020 at 04:58pm. It was a prepaid order of 499/- and the estimated delivery date was 18th Nov but it is not yet delivered and even after raising multiple complaints on their customer support id "[protected]@trendywestern.com" I am not getting any response from their side and I can't even track my order as no tracking details or calling number are there on their website. I want to raise a complaint against them and request a refund. Please help.