The Nagpur Municipal Corporation (NMC) and private water operator Orange City Water Private Limited (OCW) have no idea where over 60% of the potable water supplied to the city goes.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/no-trace-over-60-potable-water-supply
[2] http://admin.indiaenvironmentportal.org.in/category/author/anjaya-anparthi
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-nagpur
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagpur-t
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/jawaharlal-nehru-national-urban-renewal-mission-jnnurm