It was Lord Wellesley that introduced the Military Aid System, in 1728. The rulers who agreed to this system had to accept certain conditions.
- The ruler of the principality should maintain a permanent army of the Company in his land.
- The expenses for this army should be borne by the ruler.
- The rulers who join this system must not make any alliance with other countries or go to war without permission from the British
- The Company will be responsible for the safety of the ruler and his kingdom. The principality should, maintain a British Resident in his capital.
- Resident is the official designation for the representative of the Governor General. A Resident is appointed in places where there is no direct British rule.