‘They generate about 7.80 lakh tonnes of such waste annually’
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/hazardous-waste-3550-units-identified
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-management
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-industry
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-waste
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-recycling