SO finally I successfully rooted with TWRP and root access.thanks to all developers @Eastw1ng @TheMalachite
Following are all download links combined in one post Also there are two threads like unlocking boot loader and twrp but there are some steps are not mentioned which we must need to understand so see the video tutorial at the end of thread.
If you have issues please post comment I will try to solve at my best
NOTE: REMOVE ALL PASSWORD AND PINS ON PHONE BEFORE FLASHING TWRP
All data will be erased so keep backup
Download:
Latest new twrp 3.7 official:
Vbmeta image:
androidfilehost.com
Mediatek USB VCom drivers:
drive.google.com
ADB AND FASTBOOT DRIVERS(WHEN FASTBOOT NOT DETECTING ONLY)
androidfilehost.com
magisk v24 zip:
magiskapp.com
magisk 23 apk:
www.apkmirror.com
CMD COMMNADS HIT ENTER:
1)detect adb devices:
adb devices
2)Reboot to bootloader mode:
adb reboot bootloader
3)To detect FASTBOOT devices:
fastboot devices
4)To OEM unlock:
fastboot flashing unlock
5)To flash Vbmeta image:
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
6) flash twrp image:
fastboot flash recovery recoveryname.img
7)Reboot from FASTBOOT mode to recovery:
fastboot reboot recovery
If you have any issue follow this tutorial correctly
Following are all download links combined in one post Also there are two threads like unlocking boot loader and twrp but there are some steps are not mentioned which we must need to understand so see the video tutorial at the end of thread.
If you have issues please post comment I will try to solve at my best
NOTE: REMOVE ALL PASSWORD AND PINS ON PHONE BEFORE FLASHING TWRP
All data will be erased so keep backup
Download:
Latest new twrp 3.7 official:
Vbmeta image:

vbmeta.img | by TheMalachite for OnePlus Nord 2 5G
Download GApps, Roms, Kernels, Themes, Firmware, and more. Free file hosting for all Android developers.
Mediatek USB VCom drivers:
MediaTek_Preloader_USB_VCOM_Drivers_Setup_Signed.zip

ADB AND FASTBOOT DRIVERS(WHEN FASTBOOT NOT DETECTING ONLY)

adb - platform tools v30.0.5.zip | by abdyasar for Utilities
Download GApps, Roms, Kernels, Themes, Firmware, and more. Free file hosting for all Android developers.
magisk v24 zip:

Download Magisk Zip 24.2 Latest Version For Android 2022
Magisk Zip is a flashable file that is used to install Magisk Root on android phones. This Magisk Zip 24.3 latest version can be installed/flashed using

magisk 23 apk:

Magisk 23.0 APK Download by topjohnwu - APKMirror
Magisk 23.0 APK Download by topjohnwu - APKMirror Free and safe Android APK downloads

CMD COMMNADS HIT ENTER:
1)detect adb devices:
adb devices
2)Reboot to bootloader mode:
adb reboot bootloader
3)To detect FASTBOOT devices:
fastboot devices
4)To OEM unlock:
fastboot flashing unlock
5)To flash Vbmeta image:
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
6) flash twrp image:
fastboot flash recovery recoveryname.img
7)Reboot from FASTBOOT mode to recovery:
fastboot reboot recovery
If you have any issue follow this tutorial correctly
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