I felt bad when people say Google banned their adsense account due to fraudulent clicks. Why would you involve in such act. Google must discover you and penalize you for that. However, there are ways to deal with Google legally and continue earning huge dollars into your adsense account. Firstly, you have to adhere to their policies(Terms of Service). Don't ask people to click on your Google adsense ads just to earn money. Secondly, blend your adsense ads with your site. Let the ad background match with your site. Let the text and font size match with the rest of your webpage. Remove frames from your adsense ads and let the ad colour match with the rest content on the site. Finally, post quality, unique and seo content on your blog or website.