The cities of Hisar and Fatehabad (in present-day Haryana) were founded by:

The cities of Hisar (Hisar-i-Firoza) and Fatehabad, in present-day Haryana, were founded by Sultan Firoz Shah Tughlaq (ruled 1351-1388).

About Hisar:

• It was founded around 1354, and was originally called "Hisar-i-Firoza" ("Fort of Firoz").
• Firoz Shah built a fort and palace there, and brought water to the city by canals.
• The "Firoz Shah Palace Complex" and the "Gujari Mahal" are among its surviving monuments.
• An Ashokan pillar (or a pillar of the same type) stands in the palace complex.

About Fatehabad:

• It was founded by Firoz Shah and named after his son, Fateh Khan.
• It also has a pillar with an inscription of Firoz Shah's time.

Other cities founded by Firoz Shah:

• Firozabad (in Delhi, now Firoz Shah Kotla), which became his capital.
• Jaunpur (in Uttar Pradesh), named after his cousin, the previous Sultan.
• Firozpur (in Punjab), though its origin is debated.
• According to Afif, Firoz Shah founded about 300 towns.

His public works:

• He built several canals for irrigation; the most famous is the Western Yamuna canal, which carried water from the Yamuna to Hisar.
• He built sarais (rest houses), bridges, reservoirs, mosques, madrasas and hospitals.
• He repaired old monuments, including the Qutub Minar.
• He brought two Ashokan pillars, from Topra (near Ambala) and Meerut, to Delhi; the Topra pillar was placed at Firoz Shah Kotla.

His welfare measures:

• He set up a department of charity (Diwan-i-Khairat), to help poor people, widows and orphans, and arranged marriages for poor girls.
• He set up a free hospital (Dar-ul-Shifa) in Delhi.
• He set up an employment bureau.
• He abolished many taxes not approved by Islamic law.

Weaknesses:

• He made the iqtas and government posts hereditary, which weakened the central government.
• He was strongly influenced by orthodox religious scholars.

Why not the other options?

• ✗Muhammad bin Tughlaq, Alauddin Khalji and Sikandar Lodi founded other cities.