A Constitutional Body is established by the provisions of the Constitution of India. The National Commission for Scheduled Tribes is established under Article 338A of the Constitution. The National Commission for Minorities was established by an Act of Parliament (National Commission for Minorities Act, 1992). The National Commission for Women was established by an Act of Parliament (National Commission for Women Act, 1990). The Planning Commission was an executive body set up by a resolution of the Government of India and was later replaced by NITI Aayog, which is also not a constitutional body.