Tata Steel, at present, has six iron ore/manganese (an associated mineral) leases in the state with combined lease area of 10 sq km
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/tata-steel-may-be-disqualified-odisha-iron-ore-lease-auction
[2] http://admin.indiaenvironmentportal.org.in/category/author/dillip-satapathy
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/orissa
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tata-iron-and-steel-company-tisco
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/iron
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/minerals
[9] http://admin.indiaenvironmentportal.org.in/thesaurus/jsw-steel-ltd