Main principle of justice and fair dealings
Set up provinces into districts
Districts had Revenue Collectors and Judges
Made new laws, regulations, in accordance to Quran and Sunna
Set up jails, education, police
Set up majlis shura - companion council
Deewan for pensions and Baitul Mal
Walked around city at night to hear of sufferings
Made Islamic calendar official
Rights of non muslims emphasised
Well disciplined army
Introduced salary of soldiers
Built military towns all over empire and cantonements
Stressed female education
Trained teachers to teach Quran in small villages
Took special care of farmers and agriculture
Punished and rewarded equally, very just