With all due respect fronting
, judging by your Status bar, you appear to have everything running on your phone... bar the kitchen sink!
, from the Play Store, to obtain a more detailed breakdown of exactly which components are causing the drain in OS.
Also, if you are using a Task Killer of any description, I would recommend uninstalling it as they can cause more battery drain than they save and Android does not need them.
Why You Shouldn’t Use a Task Killer On Android