Hyderabad needs sewage treatment plants to cut pollution.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/hyderabad-pollutants-musi-rise-river-becomes-sewage
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-telangana
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telangana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/musi
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/total-dissolved-solids
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biological-oxygen-demand-bod
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution