Girija Desai, the member secretary of the eco-sensitive zone at Sanjay Gandhi National Park, said that in cases where a builder has received a commencement certificate to begin a project at SGNP, he will have to approach the principal chief conservator of forests
The member secretary of the eco-sensitive zone at Sanjay Gandhi National Park (SGNP), Girija Desai, has written to the commissioners of Mumbai, Thane, Vasai-Virar, and Mira Bhayander on August 24, informing them that no new construction will be allowed within 1 km of the park on account of the area being an eco-sensitive zone. On June 3, Supreme Court had prevented new constructions within 1 km of all national parks.
https://indianexpress.com/article/cities/mumbai/no-construction-within-1-km-of-sgnp-commissioners-of-mumbai-thane-told-8114187/
Source: The Indian Express