In India, SEZs are engines of economic growth, supported by world class infrastructure and attractive fiscal benefits. In particular SEZs can be helpful for small and mid-sized businesses which can not afford to set up huge infrastructure on their own.`They can house their units in SEZs. As of 18th December 2008, 552 formal approvals are granted for setting up SEZs, of which 274 SEZs are notified.

SEZs in India are categorized as :

• SEZs approved in principle
• SEZs formally approved
• Notified SEZs
• Functional SEZs

For complete list refer http://www.sezindia.nic.in