Cleaning the holy Ganges is no simple task and has been the objective of many activists, environmentalists and politicians, including Prime Minister Narendra Modi.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/kanpur-startup-working-clean-ganga-technology-detect-oil-leakages-turn-heads
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ganga
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution-control
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kanpur-d
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fertiliser-industry
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-technology-iit
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution