Chandragupta set up a spy system and hired spy's to spy on his subjects. And then more spy's to spy of the spy's spying. So you wouldn't have to spy on them yourself. Which saves a lot of time for you.
-ISN page 73

Chandragupta set up bureacracys which helped him be more in control and more people were there to help him and support his ideas, opinions and obey/follow his system of rules.
-ISN page 73

The scenario is similar to the Mauryan Empire