Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/water-treatment-wastewater-reuse-0
[2] http://admin.indiaenvironmentportal.org.in/category/author/peter-cartwright
[3] http://admin.indiaenvironmentportal.org.in/category/journal/everything-about-water
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wastewater-recycling
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-waste-treatment
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sewage-treatment-technology
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-treatment-technology