Order of the National Green Tribunal in the matter of Amit Kumar Vs Union of India & Others dated 27/08/2013 regarding buildings which are allegedly within the radius of 10 km from Okhla Bird Sanctuary.
Links:
[1] http://admin.indiaenvironmentportal.org.in/content/order-national-green-tribunal-buildings-which-are-allegedly-within-radius-10-km-okhla-bird
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanctuaries
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/okhala-sa
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/buildings
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt