100% root samsung J200GU android version 5.1.1 it is tested and worked
Download root file form the given link
Password:-"star.shakib@yahoo.com" this password for extracting file
Open odin select root file twrp-2.8.7.0-j2lte.img.tar to the AP file and just flash it..
It will show pass then copy SuperSU-v2.60-20151205163135.zar file to the memory card.
Power off mobile phone then press
Volume up+Home+Power key at the same time when power on phone then release power key now phone is in recovery mode.tap on install option select
SuperSU-v2.60-20151205163135.zar swipe to install.It is installed then reboot your mobile.It reboots and power on you can see
superSU in your mobile screen
Tap on superSU and update it if needed now your phone complete rooted.....