In its judgment in the Odisha mining case (Writ Petition (civil) 114 of 2014), the Supreme Court discussed intergenerational equity and directed the Government of India to review the National Mineral Policy 2008. The deadline set was 31 Dec 2017.
Judgment in WP(c) 114 of 2014: https://drive.google.com/open?id=0B7TzYPpy8SVcSzFCWFF6T2pJWm8