The Delhi Sultanate (1206-1526 CE) was established by Qutbuddin Aibak after the decline of Ghurid power, marking the beginning of a new phase of technological diffusion and institutional transformation in medieval India.
Technological Changes Introduced During the Sultanate Period
Agriculture
Persian wheel (saqiya) improved irrigation efficiency and water lifting. Led to expansion of cultivation in Punjab and Doab regions.
Improved iron tools and ploughs enhanced productivity.
Introduction of new crops from West and Central Asia. Eg- Spinach, carrot, watermelon, pomegranate.
Coinage
Introduction of standardised metallic currency. Eg- Silver tanka and copper jital under Iltutmish.
Experimentation with token currency. Eg- Muhammad bin Tughlaq’s copper token coins.
Architecture
Development of Indo-Islamic architectural style blending Indian and Persian elements.
Introduction of true arch, dome, and vault using lime mortar. Eg- Alai Darwaza, Qutub Minar complex.
Infrastructure
Construction of roads, bridges, sarais, and canals. Eg- Road networks and sarais under Alauddin Khalji.
Textiles
Introduction of spinning wheel (charkha) led to expansion of cotton weaving in northern India.
Use of new dyeing and weaving techniques from Central Asia.
Military Technology
Use of composite bow, iron stirrup, and horse-based cavalry warfare.
Introduction of standing armies and branding of horses (dagh system).
Paper Technology
Introduction of paper manufacturing by replacing palm-leaf manuscripts.
Expansion of record-keeping, education, and administration.
Influence of These Technological Changes on Indian Society
Agrarian Expansion – Eg- Use of Persian wheel in the Indo-Gangetic plains supported multiple cropping.
Agricultural surplus and craft specialisation encouraged urban centres. Eg- Expansion of Delhi, Multan, Lahore as commercial towns.
Monetisation of the Economy – Standardised coinage facilitated trade and taxation.
Expansion of Trade – Better roads and sarais increased mobility of goods and merchants.
Rise of Artisan and Craft Communities – Eg- Growth of weavers, masons, metalworkers in urban centres.
Paper-based record keeping improved governance efficiency. Eg- Maintenance of revenue and military registers.
Cultural Synthesis – Architectural innovations blended Indian and Islamic styles.
Social Mobility- New professions emerged beyond traditional caste roles. Eg- Employment in karkhanas and state workshops.
Technological diffusion linked India to global networks. Eg- West and Central Asia.
The technological innovations of the Sultanate period laid the structural foundations of medieval Indian society and influenced subsequent Mughal developments.