The Charminar in Hyderabad is an iconic example of:

Persian architecture
Mughal architecture
Deccani architecture
Kakatiya architecture

The correct answer is: C) Deccani architecture.

Deccani architecture is a style of architecture that developed in the Deccan Plateau of India, under the rule of the Deccan sultanates. It is a fusion of Hindu, Islamic, and Persian architectural styles.

The Charminar is a monument and mosque in Hyderabad, India. It was built in 1591 by Muhammad Quli Qutb Shah, the fifth sultan of the Qutb Shahi dynasty. The Charminar is an iconic example of Deccani architecture. It is a four-pillared gatehouse with two minarets, and is decorated with intricate tile work and calligraphy.

Persian architecture is a style of architecture that developed in Persia (modern-day Iran). It is characterized by its use of arches, domes, and minarets. Persian architecture has had a significant influence on the development of architecture in other parts of the world, including India, Central Asia, and the Middle East.

Mughal architecture is a style of architecture that developed under the Mughal Empire in India. It is a fusion of Persian, Turkish, and Indian architectural styles. Mughal architecture is characterized by its use of red sandstone, its intricate tile work, and its large domes.

Kakatiya architecture is a style of architecture that developed under the Kakatiya dynasty in India. It is characterized by its use of bricks, its intricate stone carvings, and its large temples.