Restore Django Site on VPS and updating the website

My Django site (happytyms.in) lives on an Ubuntu 22.04 VPS at Hostinger. It used to run flawlessly through Apache, but after some recent changes it now shows the default Apache2 page on http and refuses the ssl connection on https... (Budget: ₹1500 - ₹12500 INR, Jobs: Apache, Django, Excel, Linux, Nginx, PHP, Python, SSL, Ubuntu, Web Development)