Till date the Eco Sensitive Zone has been approved by the MoEF&CC, Government of India for the (i) Nongkhyllem Wildlife Sanctuary Vide Govt. of India Gazette Notification S.O.1816(E) Dtd,07-05-2017 and (ii) Narpuh Wildlife Sanctuary Vide Govt. of India Gazette Notification S.O.2942(E) Dtd,06-09-2017. For the other Wildlife sanctuary and National Park the proposal is under process.
The Eco-sensitive Zone for the Nongkhyllem Wildlife Sanctuary has been notified by the Ministry of Environment, Forest and Climate Change (MoEF& CC) in the year 2017. The extent of Eco-sensitive Zone varies from 335.07 metres to 8.43 kilometres from the boundary of the Nongkhyllem Wildlife Sanctuary and its total area is 202.87 square Kilometre.
The ESZ of the Narpuh Wildlife Sanctuary was notified on 6th September, 2017 and the extent varying from 1.20 kms to 7.70 kms from the boundary of WLS. The area of ESZ is 194.23 Sq.km.