Resolved - [21.1.6 / 21.1.13 and also Stable Build] Redmi note 7 Gallery app battery issue and data usage | Xiaomi European Community | MIUI ROM Since 2010
bug] Vanced microG high battery drain on Redmi Note 8 Pro · Issue #162 · TeamVanced/VancedMicroG · GitHub
How to Fix Redmi Note 11 Battery Draining Issue (15+ Methods)