The punishment meted out to Maniram Dewan and Piyali Barua was:

Exile
Imprisonment
Public execution
Property confiscation

The correct answer is: a) Exile

Maniram Dewan and Piyali Barua were two prominent Assamese freedom fighters who were exiled to the Andaman Islands by the British in 1857. They were accused of inciting the Assamese people to revolt against the British.

Exile is a form of punishment in which a person is forced to leave their home country and live in another country. It is often used as a punishment for political crimes or crimes against the state.

Imprisonment is a form of punishment in which a person is locked up in a prison. It is often used as a punishment for serious crimes, such as murder or robbery.

Public execution is a form of punishment in which a person is put to death in front of a large crowd. It is often used as a punishment for very serious crimes, such as treason.

Property confiscation is a form of punishment in which a person’s property is taken away from them. It is often used as a punishment for financial crimes, such as fraud or embezzlement.