Water pollution is a serious problem as almost 70% of India
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/cost-effective-method-removal-fluoride-polluted-water
[2] http://admin.indiaenvironmentportal.org.in/category/author/abida-begum
[3] http://admin.indiaenvironmentportal.org.in/category/journal/enviro-news
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fluoride
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india