It is a protected area near Mumbai in Maharashtra.
It was formerly known as Borivali National Park (renamed to present name in 1996, after Sanjay Gandhi, eldest son of former Prime Minister Indira Gandhi.).
It is notable as one of the major national parks existing within metropolis limit and is one of the most visited parks in the world.
It is spread over are of 103 sq.km in heart of Mumbai city and surrounded by population of 20 million people.
It is part of Western Ghats biodiversity and forms roughly 20.5% of Mumbai’s geographical area.
Kanheri Caves, 2000 year old complex of some 160 rock-cut caves (was important Buddhist learning centre) is situated within national park and is protected archaeological site.