try the following recipe
Code:
from calibre.web.feeds.news import BasicNewsRecipe
from calibre.ebooks.BeautifulSoup import BeautifulSoup
class TechDirt(BasicNewsRecipe):
title = u'Tech Dirt'
language = 'en_IN'
__author__ = 'Krittika Goyal'
oldest_article = 7 #days
max_articles_per_feed = 25
use_embedded_content = False
no_stylesheets = True
auto_cleanup = True
encoding = 'latin1'
feeds = [
('News',
'http://feeds.feedburner.com/techdirt/feed'),
]