During the Sultanate period, the Muslim society remained divided into several ethnic and racial groups. The Turks, Iranians, Afghans and Indian Muslims developed exclusively and there were no intermarriages between these groups. Hindu converts from lower castes were also not given equal respect. The Muslim nobles occupied high offices and very rarely the Hindu nobles were given high position in the government. The Hindus were considered zimmis or protected people for which they were forced to pay a tax called jiziya. In the beginning jiziya was collected as part of land tax. Firoz Tughlaq separated it from the land revenue and collected jiziya as a separate tax. Sometimes Brahmins were exempted from paying jiziya.

Art and Architecture

The art and architecture of the Delhi Sultanate period was distinct from the Indian style. The Turks introduced arches, domes, lofty towers or minarets and decorations using the Arabic script. They used the skill of the Indian stone cutters. They also added colour to their buildings by using marbles, red and yellow sand stones

In the beginning, they converted temples and other structures demolished into mosques. For example, the Quwwat-ul-Islam mosque near Qutub Minar in Delhi was built by using the materials obtained from destroying many Hindu and Jain temples. But later, they began to construct new structures. The most magnificent building of the 13th century was the Qutub Minar which was founded by Aibek and completed by Iltutmish. This seventy one metre tower was dedicated to the Sufi saint Qutbuddin Bakthiyar Kaki. The balconies of this tower were projected from the main building and it was the proof of the architectural skills of that period. Later, Alauddin Khalji added an entrance to the Qutub Minar called Alai Darwaza. The dome of this arch was built on scientific lines.

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