In how many categories did Megasthenes divide the Indian Society?

The division of Mauryan society into seven classes is particularly mentioned in -:

What is the name of Megasthenes’ book?

Megasthenes was the ambassador of -:

How many types of spy are mentioned in Kautilya’s Arthashastra?

The location of the ancient city of Taxila (Takshshila), mentioned in ancient Indian texts, was identified by