Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/assessment-ground-water-quality-and-around-tiptur-town-tumkur-district-karnataka
[2] http://admin.indiaenvironmentportal.org.in/category/author/s-b-basavaraddi
[3] http://admin.indiaenvironmentportal.org.in/category/author/hina-kouser
[4] http://admin.indiaenvironmentportal.org.in/category/author/e-t-puttaiah
[5] http://admin.indiaenvironmentportal.org.in/category/journal/indian-journal-environmental-protection
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-quality
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tumkur-d
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka