Recommended recovery for Redmi Note 12 OxygenOS installation:

https://drive.google.com/uc?export=download&id=1FqCdjPDghrM0btu-1HJ1LpjerQjUKBVq

Steps:
- Boot to this ofox
- Wipe data,dalvik,metadata,cache
- Flash the rom zip
- Format Data

And reboot

Enjoy your stay