UPSC History • Medieval India

Military System of the Delhi Sultanate

Army • Iqta • Cavalry • Horse Branding • Ariz • Mongol Defence • Military Reforms

Page 1 of 12 Military System
01

The Military Foundation of the Sultanate

Why military organisation was central to the Delhi Sultanate
Core UPSC idea: The early Turkish state in India had a strongly military character. Control over territory depended on the Sultan’s ability to maintain troops, reward military commanders and defend the frontier.
Conquest
→
Territorial Control
→
Revenue
→
Army
→
Defence & Expansion

1. Cavalry at the Centre

The mobile cavalry arm was crucial for rapid movement, campaigning, communication and battlefield effectiveness.

2. Military Elites

Turkish military commanders and nobles were important political actors. Their relationship with the Sultan affected both administration and warfare.

3. Revenue–Military Link

Revenue assignments such as Iqta helped connect territorial revenue with the maintenance of officials and military obligations.

4. Frontier Defence

The north-western frontier and repeated Mongol pressure made military preparedness a continuing concern.

A question may not ask directly, “What was the military system?” Instead, UPSC may test the relationship between Iqta + military commanders + revenue + state formation.
02

Organisation of the Army

Main components of the Sultanate military

🐎 Cavalry

  • The most important mobile arm.
  • Required good-quality horses.
  • Essential for rapid campaigns.
  • Particularly important in fighting mobile enemies.

⚔️ Infantry

  • Supported cavalry operations.
  • Useful in sieges and holding territory.
  • Included a broad range of soldiers and auxiliaries.

🐘 Elephants

War elephants continued to have battlefield and symbolic importance, although they were not a substitute for the mobility of cavalry.

🏰 Siege & Defensive Forces

Forts, garrisons and siege operations were essential because the Sultanate had to capture and hold strategically important centres.

Remember: For UPSC, do not reduce the Sultanate army to “cavalry only”. Think of a combined military structure involving cavalry, infantry, elephants, fortifications and supporting personnel.
03

Diwan-i-Arz & Military Administration

The military department of the Sultanate

Diwan-i-Arz

The Diwan-i-Arz was associated with military administration. In the supplied UPSC material, it is specifically identified with Balban.

Office / Institution Association UPSC Memory Point
Diwan-i-Arz Balban Military department
Diwan-i-Mustakhraj Alauddin Khalji Recovery of arrears
Diwan-i-Kohi Muhammad bin Tughlaq Agricultural department
Diwan-i-Bandagani Firoz Tughlaq Department of slaves
Common UPSC trap: Do not import the Mughal office of Mir Bakshi into the Delhi Sultanate simply because it dealt with military matters in the Mughal system.
Arz = Army.
For this PYQ-oriented framework: Diwan-i-Arz → Balban → Military.
04

Iqta & the Military-Fiscal System

How revenue assignments supported the state
Key concept: The Iqta system connected the collection of revenue with administrative and military responsibilities.
Territory
→
Revenue Assignment
→
Iqta-holder
→
Administrative / Military Obligations

What an Iqta was NOT

An Iqta should not simply be understood as private ownership of land. It was fundamentally a revenue assignment associated with service to the state.

  • Revenue was linked to assigned territory.
  • The holder had obligations towards the state.
  • The arrangement helped the Sultan maintain authority over a large territory.
  • It formed an important part of the military-fiscal structure.
UPSC connection: The military nature of early Turkish administration can be understood partly through the distribution of Iqtas among important military leaders.
05

Cavalry, Horses & Military Efficiency

Why horse supply mattered so much

🐎 Why Horses?

  • Speed and mobility.
  • Rapid concentration of troops.
  • Long-distance campaigning.
  • Useful against mobile enemies.

🌏 External Supply

High-quality warhorses were an important military resource and were connected with wider networks of long-distance trade.

⚔️ Cavalry & State Power

A strong cavalry arm increased the Sultan’s ability to move quickly, suppress revolts and conduct campaigns.

🛡️ Quality Control

Maintaining an effective cavalry required mechanisms to ensure that horses and soldiers presented for service were genuine and usable.

Exam lens: The importance of cavalry helps explain why horse quality, recruitment, inspection and identification became significant administrative concerns.
06

Alauddin Khalji: Branding & Military Control

A major UPSC-tested reform
PYQ Alert: The supplied PYQ material explicitly associates the introduction of horse branding with Alauddin Khalji.

🐎 Dagh — Branding of Horses

The branding system helped the state identify horses maintained for military service and reduce the possibility of fraudulent presentation of inferior or substitute horses.

Horse
→
Brand / Identification
→
Inspection
→
Military Reliability

Why was this important?

A large cavalry force was expensive. The Sultan needed greater control over the quality and identity of horses supplied for military service.

Military-Fiscal Connection

Alauddin’s military measures should be studied alongside his revenue and market policies because military strength depended on reliable financial resources.

07

Balban & the Idea of a Strong Military State

Royal authority, nobles and frontier security

Balban’s Military Context

Balban sought to strengthen royal authority and maintain order in a politically difficult environment. Military power was an important foundation of this stronger kingship.

  • Strengthening the authority of the Sultan.
  • Maintaining discipline among military and political elites.
  • Responding to frontier threats.
  • Maintaining the security of the core territories.
UPSC conceptual link: Military organisation was not merely about battlefield tactics. It was also about political authority — controlling nobles, defending the Sultanate and maintaining order.
Because the supplied PYQ material connects Balban → Diwan-i-Arz, while his reign also belongs to the period when frontier defence and strengthening royal authority were major concerns.
08

Mongol Threat & Frontier Defence

Military pressure from the north-west
Iltutmish

During Iltutmish’s reign, Chengiz Khan reached the Indus while pursuing the Khwarizm ruler. The episode demonstrated the strategic significance of the north-western frontier.

Khalji Period

Mongol attacks became a major military challenge, making the defence of Delhi and the north-west central to Sultanate strategy.

Tughlaq Period

Frontier security remained a recurring concern as the political and territorial situation of the Sultanate changed.

Important: The first Mongol encounter with India should not automatically be placed in Alauddin Khalji’s reign. The supplied PYQ material places Chengiz Khan’s episode during Iltutmish’s reign.

Military consequences of the Mongol threat

  • Need for strong frontier defence.
  • Need for a reliable cavalry force.
  • Importance of forts and strategic positions.
  • Pressure on the financial resources of the Sultanate.
09

Alauddin Khalji: Military-Fiscal Model

Army, prices, revenue and state control
Large Army
→
High Military Expenditure
→
Revenue Resources
→
Market Regulation

Military Objective

A strong standing military capability was necessary to defend the Sultanate and deal with major external and internal threats.

Revenue Objective

Strengthening state revenue helped provide the financial base required for military expenditure.

Market Objective

Market regulation helped control prices of important commodities, making maintenance of a large army more manageable.

Administrative Objective

Greater state supervision reduced opportunities for corruption and strengthened the Sultan’s control over military resources.

UPSC way of thinking: Do not study Alauddin’s military reforms, market reforms and revenue reforms as three unrelated topics. They form a connected military-fiscal structure.
10

Tughlaqs: Changing Military Priorities

Expansion, experimentation and strain

Muhammad bin Tughlaq

  • Pursued ambitious territorial and military policies.
  • Military ambitions placed considerable pressure on resources.
  • His reign witnessed major administrative and economic experiments.
  • The state had to balance military ambition with revenue capacity.

Firoz Shah Tughlaq

  • Associated with a different phase of Sultanate policy.
  • Greater emphasis on public works and irrigation.
  • Military administration remained part of the Sultanate framework.
  • His reign also saw a separate department for slaves.
Do not oversimplify: Muhammad bin Tughlaq’s reign should not be reduced to “military failure”. UPSC requires understanding the relationship between ambitious state projects, revenue, agriculture, administration and military demands.
Military expansion → greater expenditure → pressure on revenue → administrative experiments → need for stronger state capacity.
11

UPSC Rapid Revision

The facts and connections to retain
Topic Remember UPSC Angle
Early Turkish administration Strong military character Military + Iqta relationship
Diwan-i-Arz Military department Associated with Balban in supplied material
Iqta Revenue assignment Military-fiscal structure
Alauddin Khalji Horse branding Dagh / military control
Cavalry Core mobile arm Horse quality and supply
Mongol threat Major frontier challenge Iltutmish → Khaljis → later Sultanate
Market regulation Linked with military needs under Alauddin Military-fiscal logic
Mir Bakshi Do not place it in Khalji administration Mughal institutional distinction

🎯 One-Line Memory Chain

Military State → Iqta → Cavalry → Ariz → Horse Control → Mongol Defence → Alauddin’s Military-Fiscal System

12

UPSC Self-Test

Test your understanding before finishing
1. The Diwan-i-Arz was associated with which aspect of administration?
2. Which ruler is associated with the introduction of horse branding in the supplied PYQ material?
3. Which statement best describes the Iqta in the Sultanate context?
4. Why was horse quality particularly important to the Sultanate army?
5. Chengiz Khan reached the Indus during the reign of:

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