The correct answer is: a) Constitution of India.
Scheduled Tribes are a group of indigenous peoples in India who are officially recognized by the Indian government. They are listed in the Fifth Schedule of the Constitution of India, which provides special provisions for their protection and development.
The Constitution of India recognizes Scheduled Tribes as “backward classes” who are “not adequately represented in the services under the State”. The Fifth Schedule of the Constitution provides for special provisions for the Scheduled Tribes, including reservation in government jobs and educational institutions, and protection from exploitation.
The Right to Education Act, the National Food Security Act, and the Mahatma Gandhi National Rural Employment Guarantee Act are all important laws that provide for the welfare of the people of India. However, these laws do not specifically mention Scheduled Tribes.
Therefore, the correct answer to the question is: a) Constitution of India.