scam

I am tagging an instagram page who sells medical printed books sanwariya medical book store instagram page link: https://www.instagram.com/dineshhhh._.09?igsi=MXI1eGE1N2xvZ2xyMQ== His name is Dinesh parihar.he runs this instagram page. He provides a whatsapp number after which he send you a QR code if you wanna place an order through his page after payment he won't respond at all I paid for an order but it's been almost 5 days now there is no response from him so please be careful