Gjarat govt has assured Centre that these areas have compiled with environmental guidelines
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ministry-lift-ban-gujarats-ankleswar-vatva-industrial-areas
[2] http://admin.indiaenvironmentportal.org.in/category/author/anindita-dey
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gujarat
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharuch
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chemical-industry
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-chemicals-and-fertilizers
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment