Income Tax Act, 2025 to Take Effect from April 1, 2026: Legal Framework, Structural Changes and Implications for Taxpayers
Background: A Historic Overhaul of India’s Direct Tax Law During the presentation of the Union Budget 2026–27 , Finance Minister Nirmala Sitharaman announced that the Income Tax Act, 2025 will come into force from 1 April 2026 , replacing the existing Income Tax Act, 1961 , which has governed India’s direct tax regime for over six decades. The stated objective of the new law is simplification without revenue loss , with a focus on removing interpretational ambiguities that have historically fuelled litigation between taxpayers and the tax administration. Notably, the reform is structural and procedural , not fiscal in nature— no changes have been made to income tax slabs or rates . Legislative Authority and Constitutional Basis Statutory Power to Enact the New Law The Income Tax Act, 2025 has been enacted under Article 246 read with Entry 82 of List I (Union List) of the Seventh Schedule to the Constitution of India, which grants Parliament exclusive power to legislate on “taxes on ...