44. The President shall hold office for a term of five years from the date on which he enters upon his office:

Provided that-

(a) a President may. by resignation under his hand addressed to the Chairman of the Council of States and the Speaker of the House of the People, resign his office:

(b) a President may, for violation of the Constitution, be removed from office by impeachment in the manner provided in section 49;

(c) a President shall, notwithstanding the expiration of his term, continue to hold office until his successor enters upon his office.