.NET App Hosting & Maintenance

I need a reliable service provider to host a simple .NET application and provide annual maintenance as needed. The application will only be interacted with by a single user. Budget 3000 INR

Requirements:
- Host on any platform (Azure, AWS, GoDaddy)
- Annual maintenance for performance issues (if site is slow)
- Domain will be provided

Ideal Skills and Experience:
- Experience with .NET application hosting
- Familiarity with shared hosting environments
- Strong background in application performance monitoring and optimization
- Reliable and responsive support