Statistics referred to in the reply to the Unstarred Question No. 159 to be answered on 05.12.2013 in the Lok Sabha regarding " Contamination of Groundwater ".
Links:
[1] http://admin.indiaenvironmentportal.org.in/data-statistics/details-districts-various-states-uts-coop-chemical-constituents-ground-water-beyond
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/lok-sabha
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/statistics
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arsenic
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fluoride