In Islam the real sovereign of the world in Allah and Khalifh is his representative on the earth. Muslim rulers in India prior to Akbar recognized the authority of Khalifa but the institution of Kingship as mentioned by Abul Fazl in Aziz-i- Akbari that the Padshah or Shahansha is the vice-regent of god on earth,Farr-i-Izadi has given new dimension to the theory Kingship in India.
Emperor- The form of Mughal government was despotic,monarchy,the emperor was the head of the executive,legislature,judiciary and the Army,the only limits on the autocracy of the King were the mobility and the Ulema.
Vakil- Vakil was the representative of king and hence exercises all powers on behalf and in the name of king.Bairam Khan was the Vakil during Akbar’s time. Wazir or Diwan- In his capacity as Diman-i-kulk he was the head of the revenue dept when there was no vakil,he acted as the PM as well and hence called the wazir. Mir Bakshi- Head of the military dept and also the pay master general after the introduction of the mansabdari system.
Sudr us Sadar- Head of the ecclesiastical dept regulation of religion and charitable works was his prime concern. Khan-i- Saman- Head of Royal household and karkhans. Qazi-ul-Quzat- Head of the justice dept.