Correct Answer: (c) Doctrine of Protective discrimination
Solution:Scheduled Castes and Scheduled Tribes (Prevention of Atrocities) Act, 1989 is based on the Doctrine of Protective Discrimination. This Act is based on the implementation of the system under Article 15(4) of the Indian Constitution. This Article prohibits the discrimination of people on the grounds of religion, race, caste, sex or place of birth.