The committee on Union-State relations, formed by Tamil Nadu in 2025 and chaired by retired Supreme Court judge Kurian Joseph, has submitted Part I of its report to the State government. It deals with decentralisation, State autonomy, constitutional amendments, territorial integrity of States, the Governor's role and delimitation, with the aim of strengthening cooperative federalism. Two further parts of ten chapters each are being prepared. It is the fourth major review of Centre-State ties after the Rajamannar Committee, Sarkaria Commission and Punchhi Commission.