In Past Google was confirmed that they not give any importance to Meta keywords in ranking, But now Google again come back with Meta keywords and Announces A Meta Keywords Tag Just For News Articles. as Well, it’s not the same previous meta keywords tag that is used for SEO purposes with meta discription “news_keywords” metatag is only works for news website that are listed in Google News. By using this news_keywords metatag publishers can be provide more creative headlines and article copy, and dont worry about cramming keywords in news publishing.
google announces news meta keywords
Google has already provide an help article how to implement news_keywords meta tag in your website
For Example : <meta name=”news_keywords” content=”World Cup, Sri Lanka 2012, India vs Pakistan”>
Google also confirm that news_keywords meta tag is not a quick way to get better ranking in Google News. Its only for get high-quality reporting and interesting news content.