In Indian Constitution Article 338A- National Commission for Scheduled Tribes was inserted by

The correct answer is 89th Amendment Act, 2003.

Key Points 

• The National Commission for Scheduled Tribes (NCST) was established by amending Article 338 and inserting a new Article 338A in the Constitution through the Constitution (89th Amendment) Act, 2003.
• By this amendment, the erstwhile National Commission for Scheduled Castes and Scheduled Tribes was replaced by two separate Commissions namely-
  • The National Commission for Scheduled Castes (NCSC)
  • The National Commission for Scheduled Tribes (NCST) w.e.f. 19 February 2004.

Important Points 

• The National Commission for Scheduled Castes is an Indian constitutional body under the jurisdiction of the Ministry of Social Justice and Empowerment, Government of India established with a view to providing safeguards against the exploitation of Scheduled Castes and Anglo Indian communities to promote and protect their social, educational, economic and cultural interests, special provisions were made in the Constitution.
  • Article 338 of the Indian constitution deals with National Commission for Scheduled Castes.
• Article 338 A deals with National Commission for Scheduled Tribes.