Are you sure that invalid clicks are not done by you or any of your friends who knows about your site? because this adsense reason doesn't deals with duplicate content on your site
Alright, carefully read this article on how to prevent invalid clicks Ohh sorry here is the link http://www.jensense.com/2009/06/23/how-to-protect-your-adsense-account-from-invalid-clicks/ And if you are getting ban your adsense again and again then how did get it t re-approve?
Which Article? but the fact is my account is banning again and again. Can I talk to you on Instant Messenger?Â