Kolkata: Here's good news for the city where several pockets are contaminated with arsenic-affected water.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/iit-kharagpur-develops-arsenic-filter-aam-aadmi
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arsenic-poisoning
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-technology-iit
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution