After a long research i found
1. IP Address
define’s your pc  and internet connection

2. Click Through Rate (CTR)
should not exceed 10%

3. Physical Location
ur country

4. Cookies
cookies on your pc in the temperary internet files

5. Click Pattern 1
click the ad and leave the site (hit and run)

6. Click Pattern 2
contionous clicks on 1 ad unit and time and date patterns

7. Click Pattern 3
click on the ads only on your site but not any other

8. Search Engine Ranking
Your search engine ranking is zero but your ad clicks are more          

9. Advertisers conversion rate
Your ad clicks are too many but the advertisers conversions (sign-ups) are zero

So now you understand not to bluff google or your account is gone!
If you have any queries than do leave a commnet because it will be answered shortly!