Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sambhar-salt-refinery-be-launched-oct
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/salt-industry
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/salt
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan