Maniram Dewan and Piyali Barua were accused of conspiring to:

Attack British garrisons
Restore the Ahom monarchy
Incite rebellion among sepoys
Assassinate British officials

The correct answer is: a) Attack British garrisons.

Maniram Dewan and Piyali Barua were accused of conspiring to attack British garrisons in Assam. They were arrested and tried by the British, and found guilty of treason. They were executed in 1858.

Maniram Dewan was a prominent Assamese statesman and social reformer. He was a close associate of the last Ahom king, Chandrakanta Singha. He was also a member of the British-appointed Assam Council.

Piyali Barua was a military officer in the Assamese army. He was also a close associate of Maniram Dewan.

The two men were accused of conspiring to attack British garrisons in Assam in order to restore the Ahom monarchy. They were also accused of inciting rebellion among the sepoys.

The British government took the accusations very seriously. Maniram Dewan and Piyali Barua were arrested and tried by a British court. They were found guilty of treason and executed in 1858.

The execution of Maniram Dewan and Piyali Barua was a major turning point in the history of Assam. It marked the end of the Ahom monarchy and the beginning of British rule in Assam.

The following are brief explanations of each option:

  • Option (a): Attack British garrisons. This is the correct answer. Maniram Dewan and Piyali Barua were accused of conspiring to attack British garrisons in Assam.
  • Option (b): Restore the Ahom monarchy. This is not the correct answer. Maniram Dewan and Piyali Barua were not accused of conspiring to restore the Ahom monarchy.
  • Option (c): Incite rebellion among sepoys. This is not the correct answer. Maniram Dewan and Piyali Barua were not accused of inciting rebellion among sepoys.
  • Option (d): Assassinate British officials. This is not the correct answer. Maniram Dewan and Piyali Barua were not accused of assassinating British officials.