Links:
[1] http://admin.indiaenvironmentportal.org.in/news/agreement-between-ministry-environment-and-river-nile-state
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/sudan-vision-sudan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sudan
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/development