Links:
[1] http://admin.indiaenvironmentportal.org.in/news/status-quo-ordered-silica-rich-lands
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-hyderabad
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/minerals
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nellore-d
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/special-economic-zones-sez
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andhra-pradesh
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-siting
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industry