<P> The second commission was constituted on 2007 with Urmila Singh as the Chairperson . </P> <P> The third Commission was constituted on 2010 with Rameshwar Oraon as the Chairperson . </P> <P> The fourth Commission was constituted in November 2013 with Rameshwar Oraon getting re-appointed as the Chairperson . Shri Ravi Thakur, MLA in Himachal Pradesh Assembly has been appointed as Vice-Chairperson of the fourth Commission. present chairman of NCST is Nandakumar Sai </P> <P> The Commission comprises a Chairperson, a Vice-Chairperson and three full - time Members (including one lady Member). The term of all the Members of the Commission is three years from the date of assumption of charge . </P>

Who is the new chairman of national scheduled tribes commision