The correct answer is: b) Pragjyotishpura (Guwahati).
The Pala dynasty was a Hindu dynasty that ruled over parts of eastern India and Bangladesh from the 8th to the 12th centuries. The dynasty was founded by Gopala, who was a Brahmin minister in the service of the Varman dynasty. Gopala overthrew the Varman king and established the Pala dynasty in 750 CE.
The Palas were a powerful dynasty and they ruled over a vast empire. Their capital was at Pragjyotishpura, which is now known as Guwahati. The Palas were patrons of art and literature and they built many temples and monasteries.
The Pala dynasty came to an end in 1199 CE, when it was overthrown by the Sena dynasty.
The other options are incorrect because:
- Hadapeshwar (Tezpur) was the capital of the Varman dynasty.
- Durjaya (North Guwahati) was the capital of the Kamarupa kingdom.
- Davaka (Nagaon) was the capital of the Kachari kingdom.