The Sultanate period in India, which roughly spanned from the 13th to the 16th centuries, saw several significant technological changes that influenced various aspects of Indian society. These changes were largely introduced or promoted by the Delhi Sultanate and other regional Sultanates, and they had lasting impacts on agriculture, warfare, architecture, and trade.

Major Technological Changes:
Introduction of New Agricultural Techniques:

Persian Wheel (Araghatta): The introduction of the Persian wheel, a type of water-lifting device, significantly improved irrigation techniques in northern India. This technology allowed for more efficient irrigation of fields, leading to increased agricultural productivity.
Crop Diversification: New crops such as spinach, pomegranates, and sugarcane were introduced, along with improved methods for cultivating existing crops like wheat and rice. The introduction of cash crops like cotton also began during this period.
Advancements in Military Technology:

Use of Composite Bows and Cavalry Tactics: The Turks and Afghans brought with them advanced military techniques, including the use of composite bows, which were more powerful and accurate than traditional Indian bows. Cavalry units became more prominent, and the use of horse archers became widespread.
Gunpowder and Firearms: Although firearms became more significant during the Mughal period, the Sultanate period saw the introduction of gunpowder in India, which would later revolutionize warfare.
Architectural Innovations:

Arch and Dome Construction: The Sultanate period saw the introduction of the arch and dome construction techniques, which were not common in pre-Islamic Indian architecture. These innovations allowed for the construction of larger and more complex structures, such as mosques, tombs, and palaces.
Use of Lime Mortar: The use of lime mortar for binding stones and bricks became widespread during this period, leading to more durable and long-lasting structures.
Introduction of Paper:

Paper Making Technology: The introduction of paper-making technology from Central Asia and the Middle East had a profound impact on education, administration, and record-keeping in India. Paper gradually replaced the use of palm leaves and birch bark as writing materials, leading to more efficient bureaucratic practices.
Advancements in Textile Technology:

Spinning Wheel (Charkha): The spinning wheel, which significantly increased the efficiency of spinning yarn, was introduced during this period. This innovation led to a boost in the production of textiles, particularly cotton and silk fabrics, which became important trade goods.
Influence on Indian Society:
Agricultural Productivity and Economic Growth:

The introduction of new agricultural techniques, such as the Persian wheel, and crop diversification led to increased agricultural productivity. This, in turn, supported population growth and urbanization. The ability to produce surplus crops also stimulated trade, both within India and with other regions, contributing to economic prosperity.
Military and Political Changes:

The advancements in military technology and tactics contributed to the success of the Delhi Sultanate in establishing and maintaining control over large parts of India. The use of cavalry and gunpowder weapons changed the nature of warfare, leading to the decline of traditional Indian armies that relied heavily on elephants and infantry.
Architectural and Cultural Synthesis:

The architectural innovations introduced during the Sultanate period led to the creation of iconic structures that blended Persian, Central Asian, and Indian styles. This cultural synthesis had a lasting impact on Indian architecture, influencing the development of Indo-Islamic architecture and later the Mughal architectural style.
Spread of Education and Literacy:

The introduction of paper facilitated the spread of education and literacy by making written materials more accessible. The use of paper allowed for the production of books, religious texts, and administrative documents, which contributed to the spread of knowledge and the standardization of administration across the Sultanate.
Expansion of Trade and Commerce:

Technological advancements in textile production, along with increased agricultural productivity, bolstered trade within India and with foreign regions. Indian textiles became highly valued trade goods, and the growth of commerce led to the rise of merchant communities and the development of trade networks.
Conclusion:
The technological changes introduced during the Sultanate period had profound and lasting impacts on Indian society. These innovations contributed to economic growth, political stability, cultural synthesis, and the spread of knowledge. They also laid the groundwork for further developments during the subsequent Mughal period and beyond, shaping the course of Indian history.