Business ideas for the bottom of the pyramid come in unlikely situations. Four years after running a purified, bottled water business, Kammili Satyanarayana Raju, an alum of the Indian Institute of Management, Ahmedabad, decided it was logical to make machinery that purifies water.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/virtuous-trickle
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-today-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rural-water-supply
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andhra-pradesh
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gujarat
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan