<http://schema.org/keywords>
"public interest litigation"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/chandigarh/hc-notice-to-centre-punjab-on-pil-alleging-adulteration-in-edible-mustard-oil/story-czwaUJa6rNfsay0WkYu6nJ.html>