I was a bit surprised by the fact that all of the judges' opinions, which are embedded in the article, were in English.
But it turns out that English is the official language of the Indian Supreme Court, and the court has even gone so far as to rule that it need not provide a Hindi translation of its rulings:
http://economictimes.indiatimes.com/news/politics-and-nation...
It seems kind of bizarre to me that as an American English speaker half way across the world, I'm in a better position to read and comprehend the Indian Supreme Court's rulings than a great number of non-English-speaking Indians.