Shopify — Order not received and fraud done by Myshopify

Address:	Instagram advertisement
Website:	rarepride.myshopify.com

I had ordered 3 shirts with next day delivery option from myshopify on 11th Jul'22 of Rs. 643
I had seen advertisement and i ordered through the link rarepride.myshopify.com
I have not received my order and the link is now not available (it shows error as - This store is not available)
Order No: 1089 of Rs 643
Order date: 11 July'22
payment mode: UPI through Phonepe and in phonepe the seller name is showing as Swarnika Designer
I want REFUND on urgent basis or else i will file a case