Question raised in Rajya Sabha on Demarcation of eco-sensitive Zone around Okhla Bird Sanctuary, 07/12/2015. The Ministry of Environment, Forest and Climate Change has notified Eco-Sensitive Zone (ESZ) around Okhla Bird Sanctuary in the State of Uttar Pradesh and National Capital Territory of Delhi vide notification dated 19.8.2015 to conserve and protect the area up to one hundred meter from the eastern, western and southern boundary and up to 1.27 kilometers from the northern boundary of the Okhla Bird Sanctuary from ecological and environmental point of view and to prohibit any commercial mining activities within one kilometer area from the eastern, western and southern boundary and within 1.27 kilometers area from the northern boundary of the Okhla Bird Sanctuary.