Q: How do I go about manual penalty removal?
Carefully read the notification message received from Google and look for penalization reasons highlighted and possible clues regarding how to solve the issue.
Analyze the problem. This process requires gathering data and can take time, possibly several weeks.
Fix the issue, ensure Google Webmaster Guidelines compliance going forward and document all steps taken.
Submit a short and to-the-point rationale along with the reconsideration request that documents the efforts you made to address the penalty. Make sure all claims are replicable. Do not negotiate or explain — just focus on what has been done to fix the problem.
Avoid major changes to the site while the request is being processed. Too many fluctuating search signals at one time won’t improve a site’s standing in Google.