Why Western Ghats in India have been declared as biological hot-spots?

Why western Ghat in india have been declared as biological hot-spots ?

Why certain regions have been declared as biodiversity "hot spots" by environmentalists of the world? Name any two "hot spot" regions of India

Western Ghats of India is hot spot, because :

Why Western Ghats are considered as one of the biodiversity hotspots?

A hot spot in India is

A hot spot in India is

Why are forests called as biodiversity hot spots ?