Please follow the given ,to avoid 'your blog get banned from adsense'.
1. PLEASE AVOID HIDDEN TEXTS
Black hat technique is used by manu bloggers . Mainly it is made by typing contents in same color of your blog background. Blog visitors willnot see these, but spiders may notice these while crawling your blog posts. Many bloggers stuff keywords like this for boosting their Page Rank of their blog. SEO companies offers quick Page Rank jump by using these methods. You should avoid these as they are found to be one of the reason for ban in adsense.
2. DON'T USE DUPLICATE CONTENTS
This is the main issue we have seen with many blogs. Duplicate content issues will rise when you make another post of same contents in your latest blog post. Use copyscape for knowing any others are using your original contents.
3. SUBMITION OF POSTS TO DIRECTORIES
Please avoid submitting the same article in your blog for the directories.This will lead to the duplicate content penalty.
4. LINKING WITH OTHERS
Avoid linking with the sites which belong to the category of 'porn sites' ,'gambling sites'
5. CLOAKING
This 'Black hat' SEO technique may leads to the banning of our site
6. USE OF META TAGS OR TITLE TAGS
If we use common meta tags or title tags to our blog,there is a possibility of showing a 'Error' or 'Warning' message. Many blogs get banned for this reason.
7. DON'T USE LINKS TO TOO MANY BLOGS AND SITES
Please do not use too many links to any other sites or to blogs. For higher rankings ,the links should be minimum as possible
8. REMOVE SCAMMING COMMENTS
Most of blog service providers allow to use small HTML tags to make links back to their own blogs in Comment Forms. Comments with huge links will destroy your site
9. DON'T USE DOORWAY PAGES
Please don't use Pages directing the user to any other pages [doorway page]
10. DON'T USE ILLEGAL CONTENTS
Try to use only legal and useful contents for others in your site. Please remove harmful or dangerous contents from their blog.
11. DECREASE AUTOMATED WORKS IN BLOGS
Please do not use any automated system like any Article writing software or any other to write articles for your blog. These activities are against Google's terms of service.
REMOVING BAN FOR ADSENSE
We can come back to blogging if we can remove the ban .You can go through the report given by the adsense for banand you can submit a re-consideration request to them.
You can visit 'webmasters tool'for removing your ban. Use the link 'resubmit' in the webmasters tool to know the reasona for why your site is banned.