If you get any high ping in garena,try to lower your ping rate by using some of the following instructions.
1.Don't open any videos,stream and check if there any problem in your router.
2.Make sure there's no browser .exe's still running in task manager
3.Try to contact your internet service provider and get suitable data plan.
4.Use any software like Game Booster
5.Move closer to server
I am sure,if you follow the rules,you will get chance to reduce your ping rate.Finally you can check your new ping using http://www.whoisxy.com/ping.aspx