He is.
The third ruler of Mauri dinasty which consolidated India through series of wars. And in reality he was very brutal and ruthless ruler. Apparently, after the masacre of a whole tribe numbering 100 000 by his army, he was disguised by the rivers of blood and the mountains of dead bodies, so he adopted budhism and since then he ruled sophisticated and peacefully.
Ironically, few decades later, his country was destroyed by brutal and ruthless neighbors, who came in power after the Mauri put the weapons aside.