De-notification of Special Economic Zone land reduces the notified SEZ area after required procedural approvals and state concurrence. Central Government exercises statutory power to de-notify 0.906 hectares from a sector-specific Special Economic Zone for Information Technology and IT-enabled services at Zamin Pallavaram, Tamil Nadu, citing developer proposal, State concurrence, and Development Commissioner recommendation under the proviso to sub-section (1) of section 4 of the SEZ Act and rule 8 of the SEZ Rules; the notification lists specific survey parcels removed and records the resultant SEZ area as 10.241 hectares.