Missed the ITR Deadline? Belated ITR Filing for AY 2026-27 \u2014 31 December 2026 Last Date, Late Fee & Interest
Missed the ITR deadline for AY 2026-27? You can still file a belated return by 31 December 2026. Here is the Section 428 late fee, the Section 423 interest math, what you lose, and the exact filing steps.