Without paying proper remuneration, labour taken from the prisoners is 'forced labour' and violation of

The right against exploitation is a fundamental right in the Indian Constitution that protects a person's dignity and freedom. It is enshrined in Articles 23 and 24 of the Constitution.

The right against exploitation prohibits under article 23:

Forced labor: This includes any form of forced labor, such as being forced to work WITHOUT wages or for less than the minimum wage.

Bonded labor: This is when a person is forced to work to repay a debt.

Human trafficking: This includes the trafficking of people, especially beggars.

Coercion: This includes forcing landless people into labor or forcing women into prostitution.

And art 24 prohibits:
Child labor: This includes the employment of children under 14 years of age in any occupation or process.

Article 23 of the Constitution of India
This article prohibits human trafficking, forced labor, and other similar practices. It also states that the state can impose compulsory service for public purposes, but cannot discriminate based on religion, race, caste, or class