The Redmi Note 8 Pro is set for an Indian-market release on October 16, 2019. However, it appears that this is not all its parent company Xiaomi has to debut on that date. MIUI, its OS skin, has teased a launch of its own in the same country at the same time.
https://www.notebookcheck.net/Xiaomi-may-launch-MIUI-11-Global-along-with-the-Redmi-Note-8-Pro-in-India.438262.0.html