Explanation: The President is required to appoint a commission to report on the administration of the scheduled areas and the welfare of the STs in the states.

• He can appoint such a commission at any time but compulsorily after ten years of the commencement of the Constitution.
• Hence, a commission was appointed in the year 1960. It was headed by U.N. Dhebar and submitted its report in 1961.
• After four decades, the second commission was appointed in 2002 under the chairmanship of Dilip Singh Bhuria. It submitted its report in 2004.

Source: Laxmikanth’s Polity