they were built, keeping in view of the security of the royal establishment and strategic importance of the hillock.
the fortification of Hari parbat was started by Akbar but the entire fort was built by Afghans.
The Kathi Darwaza has an arched gateway with small raised up platform on both sides for the alert watchmen.
its facade laid out delicately with carved stone slabs is decorated with rectangular arched panels, two projected lotus medallions and Persian inscriptions describing the foundation of the city of Akbar.
The inside passage of the gateway is flanked by widely carved panels with a vaulted ceiling resting on the back walls of the recesses.