Sikkim has been adjudged the cleanest State while Jharkhand comes last in the list on the condition of sanitation in rural areas of 26 states.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sikkim-sparkles-nsso-sanitation-survey
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sikkim
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-sample-survey-organisation-nsso
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-rural-development
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toilets