The correct answer is Alauddin Khilji.

 Key Points

• Alauddin Khilji initiated the system of branding known as Dagh and Huliya, which was a branding system for horses and soldiers respectively.
• This helped in maintaining a strong army.
• He also introduced a system of cash payment for soldiers, which was a departure from the previous practice of granting land as payment.
• This helped boost the morale of the soldiers and ensured their loyalty.
• Alauddin Khilji was a powerful ruler of the Delhi Sultanate who reigned from 1296 to 1316.
• He was known for his military conquests and administrative reforms.

 Additional Information

• Firoz Shah Tughlaq was another ruler of the Delhi Sultanate who reigned from 1351 to 1388.
  • He was known for the patronage of arts and architecture and for the construction of public works such as canals and hospitals.
• Jalaluddin Khilji was the first ruler of the Khilji dynasty who reigned from 1290 to 1296.
  • He was known for his military campaigns and efforts to establish a stable administration.
• Giyasuddin Tughlaq was the founder of the Tughlaq dynasty who reigned from 1320 to 1325.
  • He was known for his administrative reforms and efforts to centralize power in the Delhi Sultanate.