Download MIUI V126.96.36.199 India Stable OTA ROM for POCO X2 from here.
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Archive name: miui-blockota-phoenixin_in_global-V18.104.22.168.QGHINXM-V22.214.171.124.QGHINXM-8980246b28-10.0.zip
Xiaomi Device name code: phoenixin
Archive size: 473 MB
Android version: 10.0
Build number: POCO/phoenixin/phoenixin:10/QKQ1.190825.002/V126.96.36.199.QGHINXM:user/release-keys
Caution Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.