Uraiyur, a place famous for cotton, was the political centre (capital) of the:

Correct option is B

Uraiyur, located in present-day Tamil Nadu, was the ancient capital of the Chola dynasty. It was known for its cotton production and played a significant role in the early history of the Chola Empire. Uraiyur remained an important political and cultural centre during the early period of the Chola dynasty before it was replaced by Thanjavur as the capital.

Additional Information:

• The Chola dynasty was one of the longest-ruling dynasties in southern India and had a profound influence on Tamil culture, art, and architecture.
• Uraiyur's strategic location and its prosperous cotton trade were vital to the Chola Empire's economy.

Other Options:

• Chalukyas – The Chalukyas were a prominent dynasty in Deccan and central India, with capitals like Badami and Kalyani.
• Pandyas – The Pandyas had their capital at Madurai, not Uraiyur.
• Cheras – The Chera dynasty ruled from the capital at Vanchi (modern-day, perhaps in Kerala), not Uraiyur.