The correct answer is: a) Tondai Nadu.
The Pallavas were a dynasty that ruled over the southern Indian region of Tondai Nadu from the 3rd to the 9th centuries CE. They were known for their patronage of Dravidian architecture, which is characterized by its use of intricate stone carvings and sculptures. Some of the most famous examples of Pallava architecture include the Shore Temple at Mahabalipuram and the Kailasanatha Temple at Kanchipuram.
The Pallavas were initially a feudatory power of the Chola dynasty, but they eventually became independent and established their own kingdom. They were a powerful and influential dynasty, and they played a major role in the development of Indian culture.
The other options are incorrect because:
- b) Kongu Nadu was ruled by the Kongu Cholas.
- c) Chola Nadu was ruled by the Chola dynasty.
- d) Pandya Nadu was ruled by the Pandya dynasty.