Professional Training Website with Course Enrollment & International Payment Integration

I am an SAP BTP/CAP Trainer and conduct online training batches for students across India and internationally. I need a modern, responsive, and professional website to showcase my training programs and allow students to register and pay online... (Budget: ₹12500 - ₹37500 INR, Jobs: CMS, Graphic Design, HTML, Payment Gateway Integration, PHP, SEO, Web Development, Website Design)