The correct option is Mandu.
Explanation
Indo-Islamic architecture is broadly classified into three categories: the Imperial Style (patronized by the Delhi Sultanate), the Provincial Style (developed by regional kingdoms after the disintegration of the central power), and the Mughal Style. Provincial styles incorporated strong local indigenous traditions alongside Islamic features.
Analysis of Options:
- Mandu Mandu (Correct): Mandu represents the Malwa School of Provincial architecture. It is characterized by the use of different colored stones and marbles, large windows, batter (sloping) walls, and the absence of minarets. Prominent examples include the Jahaz Mahal, Hindola Mahal, and Hoshang Shah's Tomb.
- Agra Agra (Incorrect): Agra is a primary center of Mughal Architecture, representing the imperial style of the Mughal dynasty (e.g., the Taj Mahal and Agra Fort).
- Delhi Delhi (Incorrect): Delhi is the center of the Imperial Style associated with the Delhi Sultanate (Mamluk to Lodi dynasties) and later the Mughal Empire. It served as the central seat of power rather than a provincial seat.
- Lahore Lahore (Incorrect): Lahore is a major center of Mughal Architecture (e.g., Badshahi Mosque, Lahore Fort), distinct from the pre-Mughal provincial styles.
Key Takeaway:
The Provincial Style flourished in regional capitals such as Mandu (Malwa), Jaunpur (Sharqi), Gaur (Bengal), and Bijapur (Deccan), evolving distinct architectural vocabularies independent of the Imperial style at Delhi.