A geographical region encompassing more liberal economic laws than a country's typical economic laws can be referred to as a Special Economic zone (SEZ). A policy of setting up of SEZ was introduced in India on April 1, 2000 with a view to providing a more competitive free trade environment for exports.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/special-economic-zones-india-review-investment-trade-employment-generation-and
[2] http://admin.indiaenvironmentportal.org.in/category/author/deepak-shah
[3] http://admin.indiaenvironmentportal.org.in/category/journal/indian-journal-agricultural-economics
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-acquisition
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trade
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/economy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/special-economic-zones-sez
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india