(d) to discontinue at any stage before judgment is delivered, any criminal proceedings to which this article relates, instituted by himself or herself or any other person or authority; except that the Director of Public Prosecutions shall not discontinue any proceedings commenced by another person or authority except with the consent of the court. (4) The functions conferred on the Director of Public Prosecutions under clause (3) of this article— (a) may, in the case of the functions under clause (3)(a), (b) and (c) of this article, be exercised by him or her in person or by officers authorised by him or her in accordance with general or specified instructions; and (b) shall, in the case of the functions under paragraph (d) of that clause, be exercised by him or her exclusively. (5) In exercising his or her powers under this article, the Director of Public Prosecutions shall have regard to the public interest, the interest of the administration of justice and the need to prevent abuse of legal process. (6) In the exercise of the functions conferred on him or her by this article, the Director of Public Prosecutions shall not be subject to the direction or control of any person or authority. (7) The Director of Public Prosecutions shall have the same terms and conditions of service as those of a High Court judge. Prerogative of mercy. 121. Prerogative of mercy. (1) There shall be an Advisory Committee on the Prerogative of Mercy which shall consist of— (a) the Attorney General who shall be the chairperson; and (b) six prominent citizens of Uganda appointed by the President. (2) A person shall not be qualified for appointment as a member of the committee if he or she is a member of Parliament, the Uganda Law Society or a district council. (3) A member appointed under clause (1)(b) of this article shall serve