Links:
[1] http://admin.indiaenvironmentportal.org.in/news/urgent-anti-erosion-measures-helana-area-demanded
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/assam