This department dealt with the administration of Justice under Delhi Sultanate.
It was headed by Sadr-us-Sadr who was also the qazi-i-mumalik.
He was the highest religious officer and took care of ecclesiastical affairs.
He also appointed the qazis (judges) and approved various charitable grants like waqf, wazifa, Idrar, etc.
The Sultan was the highest court of appeal in both civil and criminal matters. Next to him was Qazi-i-mumalik.
The Muhtasibs (Public Censors) assisted the judicial department.
Their main task was to see that there was no public infringement of the tenets of Islam.