The Darrang Raj was a feudatory state known for its:

Art and architecture
Resistance to Ahom rule
Military prowess
Trade and commerce

The correct answer is: a) Art and architecture.

The Darrang Raj was a feudatory state in the Brahmaputra Valley of Assam, India. It was founded in the 13th century by the Koch dynasty. The Darrang Raj was known for its art and architecture, particularly its temples and palaces. The most famous temple of the Darrang Raj is the Kamakhya Temple, which is one of the most important Hindu temples in Assam. The Darrang Raj also built many palaces, including the Ranghar Palace and the Gargaon Palace.

The other options are incorrect because:

  • The Darrang Raj was not known for its resistance to Ahom rule. The Darrang Raj was a feudatory state of the Ahom kingdom, and it was loyal to the Ahom rulers.
  • The Darrang Raj was not known for its military prowess. The Darrang Raj was a small state, and it did not have a strong military.
  • The Darrang Raj was not known for its trade and commerce. The Darrang Raj was a landlocked state, and it did not have a significant role in trade and commerce.