The Correct answer is Part XI. Explanation & Key Takeaways: • Part XI of the Indian Constitution specifically deals with the Relations between the Union and the States. • This part includes Articles 245 to 263, which outline the legislative, administrative, and financial relations between the Union and the States. • It is divided into two chapters: Chapter I - Legislative Relations and Chapter II - Administrative Relations. • Article 245 defines the extent of laws made by Parliament and the Legislatures of States. • Articles 246 to 254 deal with the distribution of legislative powers between the Union and the States, based on the Union, State, and Concurrent Lists. • Articles 256 to 263 focus on administrative relations, including the obligations of States and the Union and the coordination between them. • These provisions ensure the division of powers and responsibilities, maintaining the federal structure of governance in India. Related Concepts: • Part VIII • Part VIII of the Indian Constitution deals with the Union Territories. • It includes Articles 239 to 241, which provide the framework for the administration of Union Territories. • Union Territories are directly governed by the Central Government, although some have legislative assemblies, like Delhi and Puducherry. • Part X • Part X focuses on the administration of Scheduled and Tribal Areas. • It includes Articles 244 and 244A, which provide special provisions for the governance and protection of the rights of Scheduled Tribes. • Part VII • Part VII initially dealt with provisions related to Part-B states, which were later removed after the reorganization of states in India. • It became redundant after the Seventh Amendment to the Constitution in 1956.