- Article 368 outlines two methods of amendment: by a special majority of Parliament (2/3rd of members present and voting, supported by more than 50% of total membership) and by a special majority of Parliament plus ratification by the legislatures of not less than one-half of the States. - Amendments requiring state ratification include changes related to the election of the President, extent of executive power of the Union and States, Supreme Court and High Courts, distribution of legislative powers, representation of States in Parliament, and Article 368 itself. - Many provisions can be amended by a special majority of Parliament alone.