https://www.scconline.com/blog/post/2015/11/06/in-conversation-with-gopal-sankaranarayanan-on-him-filing-a-petition-to-improve-the-quality-of-air-in-delhi-before-the-supreme-court/
Gopal Sankaranarayanan on filing PIL to improve quality of air in Delhi before Supreme Court, highlights issues pertaining to fire crackers, crop burning and Euro VI norms