Which article of the 1973 Constitution of Islamic Republic of Pakistan prohibits all forms of slavery, forced labour and child labour?

Article 11 of the 1973 Constitution of the Islamic Republic of Pakistan prohibits all forms of slavery, forced labour, and child labour. As a fundamental right, this article declares slavery forbidden, bans all forms of forced labour and human trafficking, and prohibits the employment of children under 14 years in factories, mines, or hazardous employment.