(3)Where any person is appointed as Prime Minister or, as the case may be, chosen to the office of the Speaker of the House of the People, while an electionpetition referred to in clause (b) of article 329 in respect of his election to either House of Parliament or, as the case may be, to the House of the People is pending, such election petition shall abate upon such person being appointed as Prime Minister or, as the case may be, being chosen to the office of the Speaker of the House of the People, but such election may be called in question under any such law as is referred to in clause (1).