Due to Running of Background apps ,Your Data bundle / package will end up sooner . And also notifications or popups from Facebook, Whatsapp, Viber, Imo etc.. will allocate data.
Most people may matter on Auto Update with most apps because they will update without asking , so here is a small solution for that.
*This will help to use data which only needed to that particular App
*Make you Settings as given below
#Next Settings > Data Usage
#Next Playstore > Settings
Now switch on you Data or Wifi and see :)
