The Delhi Sultanate

Overview

The Delhi Sultanate (1206–1526 CE) refers to five successive Muslim dynasties that ruled from Delhi: the Slave (Mamluk) dynasty, the Khalji dynasty, the Tughlaq dynasty, the Sayyid dynasty, and the Lodi dynasty. The Sultanate marked the establishment of Muslim rule in North India and brought new administrative systems, architectural styles, and cultural influences. The period ended with the Mughal invasion under Babur at the First Battle of Panipat (1526).


The Five Dynasties

DynastyPeriodFoundersNotable Rulers
Slave (Mamluk)1206–1290Qutbuddin AibakIltutmish, Razia Sultana, Balban
Khalji1290–1320Jalaluddin KhaljiAlauddin Khalji
Tughlaq1320–1414Ghiyasuddin TughlaqMuhammad bin Tughlaq, Firoz Shah Tughlaq
Sayyid1414–1451Khizr KhanFour weak rulers
Lodi1451–1526Bahlol LodiSikandar Lodi, Ibrahim Lodi

The Slave Dynasty (1206–1290)

Qutbuddin Aibak (1206–1210)

AspectDetails
FounderSlave of Muhammad Ghori; became ruler after Ghori's death
TitleLakh Baksh ('giver of lakhs' — known for generosity)
CapitalLahore, later Delhi
ArchitectureBuilt the Quwwat-ul-Islam mosque and started the Qutub Minar

Iltutmish (1211–1236)

AspectDetails
SignificanceConsolidated the Sultanate; completed Qutub Minar
CoinageIntroduced silver tanka and copper jital
Protected DelhiFrom Mongol invasions (Chenghiz Khan's approach)
Iqtadari systemFormalised the system of land grants in lieu of salary

Razia Sultana (1236–1240)

AspectDetails
SignificanceFirst and only woman ruler of the Delhi Sultanate
ChallengeNobles opposed her rule; they preferred male rulers
DownfallDefeated and killed in 1240
LegacyProved that ability, not gender, should determine rulership

Balban (1266–1287)

AspectDetails
TitleZil-i-Ilahi (Shadow of God)
PolicyStrict court etiquette; crushed the 'Forty' (Turkish nobility)
DefenceFortified the northwest frontier against Mongols
JusticeFamous for his 'blood and iron' policy

The Khalji Dynasty (1290–1320)

Alauddin Khalji (1296–1316) — The Imperialist

AspectDetails
ConquestsGujarat, Ranthambore, Chittor, Devagiri, Warangal, Madurai
South IndiaMalik Kafur led campaigns to the far south
Mongol threatRepelled Mongol invasions repeatedly

Alauddin's Economic Reforms

ReformDetails
Price controlFixed prices for grain, cloth, horses, and other goods
Market regulationEstablished three markets: grain, cloth, and horses/slaves
Land tax50% of produce (highest in Sultanate period)
RevenueAll revenue paid in cash; measured land for accurate taxation
Grain storageState granaries to stabilise prices

'Under Alauddin's market regulations, grain prices were so low that a family could live comfortably on 5 tankas per year.' — Barani


The Tughlaq Dynasty (1320–1414)

Muhammad bin Tughlaq (1325–1351) — The Scholar and the Visionary

Known for his grand schemes and controversial experiments.

SchemeWhat HappenedOutcome
Transfer of capitalMoved capital from Delhi to Daulatabad (Devagiri)People suffered during the forced march; later reversed
Token currencyIntroduced brass and copper coins with same value as silverCounterfeiting led to collapse; withdrawn
Khurasan expeditionPlanned to conquer Khurasan (Persia)Never executed; wasted treasury
Taxation in the DoabIncreased taxes during a famineRebellion and suffering

Timur's Invasion (1398): The Tughlaq dynasty was fatally weakened when the Central Asian conqueror Timur (Tamerlane) sacked Delhi, massacred its population, and carried away its wealth.

Firoz Shah Tughlaq (1351–1388)

AspectDetails
PolicyPeace and welfare over conquest
Public worksBuilt canals, hospitals, mosques, gardens
JizyaReimposed on Brahmins (which Alauddin had stopped)
SlaveryHad 180,000 slaves in his service
PatronageBuilt the cities of Firozabad, Jaunpur, Hissar

Administration of the Delhi Sultanate

DepartmentOfficialFunction
CentralSultanAbsolute authority; military, legislative, judicial head
FinanceWazirHead of revenue and expenditure
MilitaryAriz-i-MumalikHead of army; responsible for recruitment and pay
JusticeQaziHead of judiciary; Islamic law (Sharia)
CorrespondenceDabir-i-MumalikHead of royal correspondence
Religious affairsSadr-us-SudurManaged religious endowments and charities

The Iqta System

AspectDetails
WhatAssignment of revenue from a territory to an officer (Iqtadar)
PurposePayment of salary; administrative responsibility
Under IltutmishIqtadars collected revenue and paid soldiers
Under AlauddinStrictly controlled; revenue assessed centrally
Under FirozMade hereditary; weakened central control

Architecture of the Sultanate

MonumentBuilderStyle
Qutub MinarQutbuddin Aibak / IltutmishIndo-Islamic; 73 m tall
Alai DarwazaAlauddin KhaljiFirst structure using Islamic arches in India
Quwwat-ul-Islam MosqueQutbuddin AibakEarliest mosque in Delhi; built with Hindu temple materials
Tughlaqabad FortGhiyasuddin TughlaqFortress with sloping walls; Tughlaq style
Hauz KhasAlauddin KhaljiReservoir and madrasa complex

Self-Test

  1. Fill in the blank: The Sultanate period began in ____ CE and ended in ____ CE. (Answer: 1206; 1526)

  2. True or False: Razia Sultana was the daughter of Balban. (Answer: False — she was the daughter of Iltutmish)

  3. Match: (a) Slave dynasty — Qutbuddin Aibak; (b) Khalji dynasty — Alauddin Khalji; (c) Lodi dynasty — Ibrahim Lodi. (Answer: All correct)

  4. Name the ruler: Which sultan transferred his capital from Delhi to Daulatabad? (Answer: Muhammad bin Tughlaq)

  5. Explain: What was the Iqta system? (Answer: Assignment of land revenue to officers in lieu of salary; the core of Sultanate administration.)

  6. Critical thinking: Muhammad bin Tughlaq is called 'the scholar-king with flawed execution.' Do you agree? (Answer: Many of his ideas were sound (token currency, decentralization) but poor implementation caused failure.)


Summary

The Delhi Sultanate was a period of transition and consolidation. New administrative ideas (the Iqta system), architectural forms (the mosque, the minar, the dome), and social patterns (the Persianised court culture) were introduced to India. The period also saw repeated Mongol invasions and the terrible sack of Delhi by Timur. The Sultanate collapsed in 1526 when the Lodi dynasty fell to Babur at Panipat. For ICSE students, the Sultanate period is critical for understanding the political and cultural foundations of medieval India.


This chapter is aligned with the ICSE Class 9 2025–26 History syllabus prescribed by the Council for the Indian School Certificate Examinations (CISCE).

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