According to the ‘India State of Forest Report 2013’, 627 sq km of forest cover has decreased in the Northeastern States from 2011 to 2013
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/what-factors-are-taking-toll-forest-cover
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/sentinel-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/assam
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/north-eastern-ranges
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity-hotspots
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-encroachments
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagaland
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arunachal
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mizoram
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/population
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deforestation