108 (n) (i) If the Minister of the Region or State is a Civil Services personnel, it shall be deemed that he has retired according to the existing Civil Services rules and regulations from the day he is appointed as Minister of the Region or State. (ii) The Defence Services personnel who are appointed as Ministers of the Region or State for Ministries of Security and Border Affairs are not required to retire or resign from the Defence Services. Impeachment of the Chief Minister of the Region or State or any Minister 263. (a) The Chief Minister of the Region or State or any Minister, may be impeached for one of the following reasons : (i) high treason; (ii) breach of any of the provisions of the Constitution; (iii) misconduct; (iv) disqualification of qualification of the Chief Minister or Minister of the Region or State prescribed in the Constitution; (v) (b) inefficient discharge of duties assigned by law. If there is a need to impeach the Chief Minister or any of the Ministers of the Region or State, a charge signed by not less than one-fourth of the total number of representatives of either the Region or State Hluttaw concerned shall be submitted to the Speaker of the Hluttaw concerned. (c) The Speaker of the Hluttaw concerned shall form a body of investigation to investigate the charge. The term of the completion of the investigation shall be determined on the volume of work.