1. During the Delhi Sultanate period, architecture saw the emergence of new features as Islamic architecture utilizing arches, domes and vaults combined with local Indian techniques. 2. The Qutub Minar built in the early 13th century was an early example of this fusion, becoming India's first minaret and introducing elements like the true arch. 3. Literature also flourished as works like Al-Beruni's Kitab-ul-Hind and Amir Khusrau's poetry documented history and celebrated India as a paradise.