The correct option is C City of Jahan Panah
To address the constant threat of the Mongols, Muhammad-bin-Tughlaq of Delhi Sultanate built the fortified city of Jahanpanah. It was the fourth medieval city of Delhi and was established in 1326-27. But the city later got ruined after the shift of capital from Delhi to Devagiri by Muhammad-bin-Tughlaq. The palace-fort of Firozabad, The Feroz Shah Kotla, and the Hauz-i-Khas were built by Feroz Shah Tughlaq.