80% not covered by any insurance, dependent on private sector for treatment.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/health-cover-too-little-too-scarce
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-insurance
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-sample-survey-organisation-nsso
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rural-health
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/population
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health