The existence of a Redmi Note 10 Lite smartphone, which is apparently headed for the India market, has been confirmed in app code and the IMEI database. It seems this upcoming Redmi Note 10 Lite is simply a 2021 version of the Redmi Note 9 Pro (India), which is also known in other parts of the world as the Redmi Note 9S.
https://www.notebookcheck.net/Redmi-Note-10-Lite-reveals-itself-to-be-both-a-rebranded-Redmi-Note-9-Pro-India-and-rebadged-Redmi-Note-9S.556674.0.html