Huawei Nova CAN-L11 TWRP and root is now available. This rooting method has been tested and verified by ministry of solutions. Rooting gives you access to system partition which allows you to modify phone according to your choice. There are also some drawbacks of rooting your phone, like some banking apps may not work on rooted devices.

Disclaimer

Phone warranty void if rooted

Everything you do at your own risk

Not tested on CAN-L01 (it should work)

This method is only tested on EMUI 5 (Android 7)