Now, Xiaomi is planning to announce the Redmi Note 5 Pro as Redmi Note 5 in China with the latest Android 8.1 Oreo and Project Treble Support. In India, the Redmi Note 5 Pro ships with Android 7.1.1 Nougat with Xiaomi's MIUI 9.
In case you don't know, we've already used the Redmi Note 5 Pro with Android 8.1 Oreo. Android 8.1 Oreo for Redmi Note 5 Pro (A.K.A Note 5 for China) runs on MIUI 9 with December 2017 Security Patch and comes with iPhone-X like gestures.
You might be thinking how you'll be able to get or Install Android 8.1 Oreo on your Indian Redmi Note 5 Pro? Well, Xiaomi on their MIUI forum will post fastboot images of the Android 8.1 Oreo for the Redmi Note 5, and you can easily install same on your Redmi Note 5 Pro. However, you'll need an Unlocked Redmi Note 5 Pro to Install Fastboot Images.