[2] They were apparently a class of senior officials who were in charge various aspects of administration and justice.
[3] The Mahamatras are mentioned in several of the Edicts of Ashoka, inscribed on rocks or pillars.
[3] Some were called "Dharma-Mahamatras" ("Mahamatras of Virtue"), who seem to have been established in the 14th year of Ashoka's reign (256 BCE).
Having in view this very (matter), I have set up pillars of morality, appointed Mahamatras of morality, (and) issued [proclamations] on morality.In the past there were no Dhamma Mahamatras but such officers were appointed by me thirteen years after my coronation.
They work among the Greeks, the Kambojas, the Gandharas, the Rastrikas, the Pitinikas and other peoples on the western borders.Those who are content with their own religion should be told this: the beloved of the gods, King Piyadasi, does not value gifts and honors as much as he values that there should be growth in the essentials of all religions.