Regarding Google Penalty

Hello,

        Google webmaster showing me this message for my website http://www.ajkrecovery.co.uk/
       
          Manual Actions
              This site may not perform as well in Google results because it appears to be in violation of Google's Webmaster Guidelines.
   Site-wide matches Some manual actions apply to entire site
                 
Reason
   
Affects
   
Unnatural links to your site
Google has detected a pattern of unnatural artificial, deceptive, or manipulative links pointing to pages on this site. These may be the result of buying links that pass PageRank or participating in link schemes.

And Why My website keywords ranking drop in google?

So now tell me,What should i do to prevent this violation?

Please reply me the best solutions..

Thanks in advance!

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