● Article 17 provides for the "Abolition of untouchability" . Manual scavenging is a major reason behind untouchability. So, option 1 is correct. ● Article 23 provides for “Prohibition of traffic in human beings and forced labor” . Manual scavenging is considered as forced labor. ● The following Acts consider practices such as manual scavenging to be a violation of human rights and have provisions to deal with the same: ◦ Protection of Civil Rights Act, 1955 . So, option 2 is correct. ◦ Protection of Human Rights Act, 1993. So, option 3 is correct. ◦ Scheduled Castes and the Scheduled Tribes Prevention of Atrocities Act, 1989 ◦ Scheduled Castes and the Scheduled Tribes Prevention of Atrocities Rules, 1995. ● The tenth Schedule is related to the Anti-Defection Law in India. So, option 4 is NOT correct.