The correct answer is Article 263. Explanation & Key Takeaways: • Article 263 of the Constitution of India empowers the President to establish an Inter-State Council if it appears to him/her that such a council would be in public interest. • The purpose of the Inter-State Council is to facilitate coordination and resolve disputes between states or between the Union and states. • Article 263 lays down provisions for addressing matters of common interest between the states and between states and the Union government. • The President can define the nature of duties, the organization, and the procedure of the Inter-State Council. Hence, this is the correct option. • This article does not make it mandatory for the President to establish the council but leaves it to his/her discretion based on the necessity of resolving inter-state issues. Related Concepts: • Inter-State Council: • The Inter-State Council was established in 1990 under the presidency of R. Venkataraman, based on the recommendations of the Sarkaria Commission. • It is a constitutional body tasked with advising on policies and disputes and fostering cooperation between states and the Union. • Functions of the Inter-State Council: • To examine policies, subjects of common interest, and disputes among states or between states and the Union. • To recommend measures for better coordination of policies and actions. Important Notes: about Other Articles: • Article 264: Deals with financial provisions related to the distribution of revenue between the Union and states. Not related to the Inter-State Council. • Article 312: Empowers Parliament to create new All-India Services. This article is unrelated to the establishment of an Inter-State Council. • Article 262: Deals with disputes relating to waters of inter-state rivers or river valleys. It provides Parliament the power to adjudicate such disputes, not to establish an Inter-State Council. Important Notes: • Relevance of the Inter-State Council: • The council plays a crucial role in resolving disputes related to federal issues and fostering cooperative federalism in India. • It is also a platform for dialogue and discussion on key national policies involving both the Union and state governments. • Features of Cooperative Federalism: • Cooperative federalism promotes collaboration and joint decision-making between the Union and the states for achieving national goals. • The Inter-State Council is a vital instrument for implementing this idea in India's federal structure.