Can the number of Election Commissioners be altered by the President?
Yes, the number of Election Commissioners can be altered by the President. The context states that "the appointment of the Chief Election Commissioner and other Election Commissioners shall... be made by the President" (Article 324(2)) and "the Election Commission shall consist of the Chief Election Commissioner and such number of other Election Commissioners, if any, as the President may from time to time fix" (Article 324(1)).