Precautionary step taken due to fear of bird flu outbreak
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sultanpur-national-park-shut-after-40-birds-found-dead
[2] http://admin.indiaenvironmentportal.org.in/category/author/ashok-kumar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sultanpur-np
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/influenza
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-diseases
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migratory-species
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-care