- Statement 1 is correct. Part IX of the Indian Constitution, titled "The Panchayats", was inserted by the Constitution (73rd Amendment) Act, 1992. - Statement 2 is correct. Part IXA of the Indian Constitution, titled "The Municipalities", was inserted by the Constitution (74th Amendment) Act, 1992. - Statement 3 is incorrect. Part X of the Constitution ("The Scheduled and Tribal Areas") existed long before the 73rd Amendment. The 73rd Amendment added Part IX. - Statement 4 is incorrect. There is no Part XA in the Indian Constitution. The 74th Amendment added Part IXA. - Therefore, statements 1 and 2 are correct.