What is English name of arasamaram?

Arasamaram is a Tamil word. It doesn't have a direct English translation, but it refers to a type of neem tree, specifically the Azadirachta indica species.

So, you could say:

* Neem tree

* Indian lilac

* Margosa tree

* Azadirachta indica

These are all accurate English names for the tree known as arasamaram in Tamil.