Yesterday i uninstall the whatsapp due to heavy app data of around 400mb, but when i install it again after that i am facing problem regarding notifications. I am not getting notification from whatsapp, when i open The app, only then i am able to see the new messages, i also have enables the push notifications on in the settings of whatsapp, now i do not know why this problem occurs to me, i haven't face this kind of problem earlier... Can any one 1 help me on this problem......