Links:
[1] http://admin.indiaenvironmentportal.org.in/news/organic-farming-cell-formed-sikkim
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/organic-farming
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sikkim