The Income Tax Department released new ITR forms for Assessment Year 2026-27 (FY 2025-26) on 31st March 2026. These updates affect ITR-1, ITR-2, ITR-3, and ITR-4 — touching everything from contact details and house property limits to F&O disclosure, balance sheet reporting, and a new late fee provision under Section 234-I. Here is a complete breakdown of every key change, the reason behind it, and how it compares to the earlier position.