I'm gonna take a huge leap here and say it's for "insubtantial posts + signature campaign".
You can find out the reason when logging into your account.
It should look something like this:
http://i.imgur.com/3hMG0n6.pngsir i have also the option that is red in your screen shot and i don't know why account is banned.
its not good because we have worked hard to make our account rank senior and in last this is the result.?
