Article 371 (D) forms a part of the Constitution of India. It safeguards the rights of local people in employment and education and was created after agitation in the state of Andhra Pradesh. It was incorporated as the 32nd Amendment of the Constitution in 1974. It has become a bone of contention for the bifurcation of the state of Andhra Pradesh and Telangana.
References
Article 371 (D) Wikipedia(Text) CC BY-SA