After lots of search finally i have found working TWRP recovery for Huawei G7 Dual Sim G7-L11 version.

Please keep in mind this recovery should be only used with G7-L11, all responsibility is on you.

Installation guide

Backup important data

Unlock phone bootloader (How to unlock bootloader?)

Download TWRP recovery from This Link

Download SuperSU 2.62 from This Link & copy to sd card.

Put phone in fastboot mode, (Switch off then hold volume down and connect with PC)

Extract TWRP zip , hold shift button and right click in free space, select open command prompt here.

Now type “Fastboot flash recovery TWRP3.0.img” and press enter.

If successful, then disconnect phone and boot into TWRP by holding volum up and power.

Once in TWRP swipe to allow modification, tap on install and select superSU file that you copied on sd card. and swipe to flash.

Clear cache and Dalvik, and reboot phone.

After reboot open superSU to complete authorization.