1. Functions of Diwan-i-Insha: 

(i) This department looked after the state correspondence. It was headed by Dabir-i-Khas.He drafted and dispatched royal orders and received reports from various officers. 

(ii) The Dabir was the formal channel of communication between the centre and other regions of the empire. He was also a sort of private secretary of the Sultan and was responsible for writing the farmans.

(iii) The Barid-i-Mumalik was the head of the state news gathering and dealt with intelligence. He had to keep information of all that was happening in the Sultanate.

(iv) At local level there were brides who used to send regular news concerning the matters of the state to the central office. Apart from birds, another set of reporters also existed who were known as Munihiyan.

2. Functions of Diwan-i-Risalat:

(i) The department of Diwan-i-Risalat dealt with the administration of justice. It was headed by Sadr-us-Sadr who was also the Qazi-i-mumalik.

(ii) Qazi-i-mumalik was the highest religious officer and took care of ecclesiastical affairs. He also appointed the qazis and approved various charitable grants like waqf, wazifa, idrar etc.

(iii) The Sultan was the highest court of appeal in both civil and criminal matters. Next to him was Qazi-i-mumalik.

(iv) The Muhtasibs assisted the judicial department. Their main task was to see that there was no public infringement of the tenets of Islam. He was also to supervise and enforce the public morals and conduct.