Art of Living argument in NGT is hinged on a catch: wetlands get their identity only through notification by govt under Rules.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/problem-protecting-india%E2%80%99s-wetlands-technically-there-aren%E2%80%99t-any-protect
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wetlands
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/yamuna
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-green-trbunal-ngt
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmentalists
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources