[Krittika Goyal]

Here is a simple recipe. It just includes the last 5 articles.

from calibre.web.feeds.news import BasicNewsRecipe

class CalibreBlog(BasicNewsRecipe):
    title          = u'Calibre Blog'
    language       = 'en_IN'
    __author__     = 'Krittika Goyal'
    oldest_article = 38 #days
    max_articles_per_feed = 5
    use_embedded_content = False

    no_stylesheets = True
    auto_cleanup = True


    feeds          = [
('Article', 
 'http://blog.calibre-ebook.com/feeds/posts/default'),
]