Correct option is D
Statement 1 is correct.
Part IX-A of the Indian Constitution was inserted by the 74th Constitutional Amendment Act of 1992 and deals with the powers, authority, and responsibilities of Municipalities. This part provides a framework for urban local governments like municipal corporations and municipal councils.
Statement 2 is correct.
Part XVIII of the Indian Constitution deals with emergency provisions, including the National Emergency (Article 352), President's Rule (Article 356), and Financial Emergency (Article 360). These provisions grant special powers to the central government in extraordinary situations to safeguard the sovereignty and integrity of the nation.
Statement 3 is correct.
Part XX, specifically Article 368, provides the process for the amendment of the Constitution. It lays down the procedures for making changes to the Constitution, including the requirement for special majority in Parliament and, in certain cases, ratification by half of the state legislatures.