[REQ] ASUS ZenFone laser ze550kl root?

Hi m coming ctom mediatech device
rooting was so easy in them
now in this snap Dragon asus ZenFone laser ze550kl device its too hard to root

no software for rooting is wofking
so request to devlopers to pls take enough concerns about device
I am attaching url to download stock rom n source code

https://www.asus.com/in/Phone/ZenFon...Desk_Download/

specifications of device:
qualcomm snapdragon 410 cortex A53 MSM8916 quad core processor coupled with Adreno 306 GPU running Lollipop with 2GB RAM