Around 42 percent of the city’s total population living in 539 slums is without having access to a proper toilet and appropriate sanitation system.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/around-50pc-city-population-without-toilet-drainage
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/pakistan-observer
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drainage
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/slums
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diarrhoea
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/open-defecation
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toilets
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unep