New architectural forms and styles were introduced in India during the medieval period. The arch and dome were new architectural additions of the period. The use of lime-mortar in the construction of buildings and houses altered the building techniques.
An important feature of the art of this period was the decorative art in Islamic buildings that was introduced in the sub continent for the first time. These decorative styles were usually in the form of calligraphy, geometrical figures and foliation.
In calligraphy quranic sayings were inscribed on buildings in an angular, sober and monumental
script called kufi. The calligraphy was found on different parts of the buildings as on doorframes, ceilings, wall panels, etc.
The geometric shapes on the other hand were used in different variety of combinations. The generating source of these designs was the circle, which was then developed into a square, triangle or polygon. These forms were then elaborated by, multiplication and sub division, by rotating and by symmetrical
Of the flotations, the dominant form of decoration employed in the sultanate buildings was the arabesque. It was characterized by a continuous stem
that split regularly, producing a series of leafy secondary stems which split again to reintegrate into the main stem.