To check undue proliferation of special economic zones (SEZs), approval given to such enclaves should be cancelled if they do not start functioning within a timeframe, a key finance ministry official
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sezs-need-work-within-timeline
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/economic-development
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/special-economic-zones-sez
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india