Why there is calligraphy on wall of Qutub Minar?

The calligraphy on the walls of Qutub Minar serves both decorative and commemorative purposes. It features inscriptions from the Quran and other texts, highlighting the Islamic faith and the cultural significance of the monument. These inscriptions reflect the artistry of Indo-Islamic architecture and contribute to the historical context of the structure, which was built in the 12th century to celebrate Muslim conquests in India. Additionally, the calligraphy enhances the aesthetic appeal of the minaret, showcasing the skill of the artisans of that era.