Not a drop of sewage will flow into Yamuna three years from now, if a new plan prepared by different departments of the Delhi Government is to be believed.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/delhi-has-new-plan-make-yamuna-sewage-free-just-3-years
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/india-today-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/yamuna
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-development-authority-dda
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-jal-board-djb
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-pollution
[9] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-treatment-plants-stp
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drainage
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution-control
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution