It is best to first understand the tracking algorithm that Google and the classification is responsible for what you can actually see the Google index how these pages. It is also necessary to seek advice from a
SEO agency, which should then help in the optimization. In this case there is more advance knowledge you might need to work this part. It is always a risky way to get your site de-indexed and then build back again your reputation on the web. There are lot more things you might need to run.