Xiaomi India is now accepting registrations for its MIUI 12 pilot testing program. At the moment, it is only available for Redmi K20 and Redmi K20 Pro users. Xiaomi says that it will expand the program to more devices and regions in the coming weeks.
https://www.notebookcheck.net/Xiaomi-opens-up-MIUI-12-pilot-testing-program-in-India.464180.0.html