/ Uncategorized / By Ritik Question Explain the administrative system of Magadha rulers. Answer The king was the supreme head of the state. He was also the head of the army and led the wars. There were many officials to assist him in discharging his duties, they were called Mahamatras. The other important officials where Sena Nayak (chief of the army), Sangrahitris (treasurer), Purohit (priest), Gramini (head of the village). This is all about the administrative system of Magadha rulers.