The Mughals allowed earlier rulers to continue in their old kingdoms provided they accepted the Mughal’s authority. The native rulers could collect revenue from their kingdom. But they had to keep an army ready for use by the emperor. Moreover, it would relieve the emperor from the burden of administration, controlling law and order. The native ruler would be responsible for the administration, peace, and safety of the people. So the Mughals allowed the earlier rulers to continue in their, old kingdoms.