Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/question-raised-lok-sabha-chemical-contamination-water-27062019
[2] http://www.indiaenvironmentportal.org.in/files/file/Chemical Contamination of Water.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/publisher/lok-sabha
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arsenic
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/statistics
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/parliament