Reassessment Under the Income-tax Act 2025

The Income-tax Act, 2025 tightened the threshold for reopening a completed assessment. Reopening now requires a defined information basis rather than broader discretion, and the inquiry and show-cause stage before a reassessment notice is mandatory. This is the transition change most likely to affect live disputes.

The direction of travel

Reassessment has been the most litigated area of Indian income tax procedure for decades, and it was already substantially reformed before the 2025 Act. The 2025 Act continues that direction: narrowing the basis on which the department can reopen, and hardening the procedural steps it must complete first.

Two elements matter. Reopening must rest on defined information rather than a general belief that income escaped assessment, which constrains reopening built on inference or a change of opinion about material already on record. And the pre-notice inquiry and show-cause procedure is obligatory, meaning a reassessment notice issued without it is vulnerable on its face.

Why this is worth acting on now

Where a client faces reopening, the procedural position is often stronger than the merits, and it is available earlier. A notice issued without a proper information basis, or without completing the inquiry stage, can be challenged without ever reaching the substantive question of whether income actually escaped assessment.

The questions worth asking on any reassessment notice:

• What is the information relied on, and has it been disclosed to the taxpayer?
• Does it fall within the statutory definition, or is it inference dressed as information?
• Was the inquiry stage completed, and was a real opportunity to respond given?
• Does the reopening rest on material already fully disclosed in the original assessment — that is, is it a change of opinion?
• Is the notice within the applicable time limit for the year and amount involved?

The open question on older years

Does a taxpayer facing reopening of an assessment year governed by the 1961 Act get the benefit of the 2025 Act’s stricter threshold?

The general principle that procedure applies as it stands at the time of the proceeding suggests an argument exists. Whether it succeeds depends on the transition provisions and how early cases are decided. Where the amount justifies it, the point is worth taking.

Related reading

• what changed under the 2025 Act — Income-tax Act, 2025 vs the 1961 Act: What Actually Changed
• faceless assessment procedure — Faceless Assessment Under the Income-tax Act 2025
• what triggers selection — Income Tax Scrutiny Triggers for Growth-Stage Companies