Links:
[1] http://admin.indiaenvironmentportal.org.in/news/mahatma-s-campaign
[2] http://admin.indiaenvironmentportal.org.in/category/author/nicki-kindersley
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/salt
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mahatma-gandhi
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gujarat