Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ecosan-toilets-ramp
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/eco-sanitation
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tsunami
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rural-sanitation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagapattinam-d