1. Introduction
This article examines an important issue concerning section 263 of the Income-tax Act, 1961 and section 377 of the Income-tax Act, 2025. A notice under these provisions is issued by the revisional authority and not by the Assessing Officer. The purpose of such notice is to examine whether an order already passed by the Assessing Officer is erroneous in so far as it is prejudicial to the interests of the Revenue and, if so, whether it requires revision in accordance with law.
The law relating to revision of orders prejudicial to the interests of the Revenue must now be understood comparatively, since two statutory regimes are relevant. For tax years governed by the Income-tax Act, 1961, the controlling provision is section 263. For tax years governed by the Income-tax Act, 2025, the corresponding provision is section 377, which carries forward the same essential jurisdictional concept. The new Act also contains section 378; however, that is a separate revision provision for “other orders” and is not the counterpart of the revenue-protective revisional power under section 263.
Accordingly, any proper discussion on the subject must examine both section 263 and section 377 topic-wise, including the nature and scope of the power, the authority competent to invoke it, the circumstances in which an order becomes erroneous and prejudicial to the interests of the Revenue, the period of limitation, the remedies available to the assessee, and the manner in which the transition from the old Act to the new Act operates. A significant practical point is that, notwithstanding the enforcement of the new Act, section 263 continues to apply to pre-1 April 2026 tax years by virtue of the saving and transitional mechanism, while section 377 applies prospectively under the new regime.
In this article, we discuss the circumstances in which such a case may be reopened, the power of the revisional authority to do so, and the remedies available to the assessee. Readers who still have any doubt after reading the article may contact me through the details mentioned at the end of the article.
2. Statutory Correspondence and Basic Scheme
The statutory mapping is straightforward:
- Section 263 of the Income-tax Act, 1961 corresponds to section 377 of the Income-tax Act, 2025.
- Section 264 of the Income-tax Act, 1961 corresponds to section 378 of the Income-tax Act, 2025.
This mapping is critical because many practitioners confuse section 377 and section 378 merely because both are revision provisions in the new Act. That approach is incorrect. Section 377 is the direct continuation of the old prejudicial-to-revenue revision model under section 263. Section 378, on the other hand, is the separate revision provision for “other orders,” broadly aligned with the beneficial-revision concept, and is not the new section for revenue revision.
I have also authored a detailed article on this issue, wherein I have comprehensively examined section 378 and explained the distinction between sections 377 and 378. Readers interested in the article may click on my name appearing at the end of the appeal to access it.
3. Nature and Object of the Revisional Power
Under both section 263 and section 377, the revisional power is a supervisory corrective jurisdiction. It is not a penalty power, and it is not an unrestricted power of administrative review. The object of both provisions is to correct orders which are not merely imperfect, but which are legally unsustainable in a manner that harms the Revenue.
Under section 263, the Principal Commissioner or Commissioner may revise an order of the Assessing Officer if it is “erroneous in so far as it is prejudicial to the interests of the revenue.” Section 377 adopts the same essential formula and preserves the same basic test under the new Act.
The importance of this continuity cannot be overstated. The transition explanation under the new Act proceeds on the basis that the old jurisdictional requirement of “erroneous” plus “prejudicial to the interests of the revenue” continues under section 377. Thus, although the section number has changed, the core doctrine has not been diluted.
4. Who Can Exercise the Power and Against Which Orders
Under section 263, the revisional authority is the Principal Commissioner or Commissioner, and the power is directed against an order passed by the Assessing Officer.
Under section 377, the scope is framed more broadly in drafting terms. The provision expressly contemplates orders passed by the Assessing Officer as well as the Transfer Pricing Officer, and also provides for modification or cancellation of orders under section 166. The competent authority under section 377 is defined to include Principal Chief Commissioner, Chief Commissioner, Principal Commissioner, or Commissioner.
This is one of the important drafting expansions in the 2025 Act. Therefore, while the underlying revision concept remains the same, the new Act has expressly widened the textual field of orders and authorities covered by the revenue-revision provision. Still, the mere availability of power against a larger class of orders does not remove the need to satisfy the jurisdictional threshold of error plus prejudice.
5. The Core Jurisdictional Test: “Erroneous” and “Prejudicial to the Interests of the Revenue”
This is the heart of both section 263 and section 377. An order cannot be revised merely because the higher authority disagrees with it. The revision power arises only when the order is:
i. erroneous, and
ii. prejudicial to the interests of the revenue.
In relation to section 263, this proposition is settled by Malabar Industrial Co. Ltd. v. CIT (2000) 243 ITR 83 (SC), which holds that both conditions must coexist. The Court further held that every loss of revenue is not enough. If the Assessing Officer has adopted one permissible legal course, or where two views are possible and the Assessing Officer has taken one such possible view, the Commissioner cannot invoke revision merely because he prefers another view. This doctrine was reaffirmed in CIT v. Max India Ltd. (2007) 295 ITR 282 (SC).
The same conceptual test continues under section 377 in the new Act. Thus, under both provisions, the central inquiry is not whether the original order could have been written better, but whether it is legally unsustainable in a manner that has caused or is capable of causing legitimate revenue prejudice.
6. What Makes an Order “Erroneous” Under Both Provisions
Under section 263, an order may be erroneous where there is:
- wrong application of law,
- failure to apply the correct law,
- non-application of mind,
- acceptance of a claim without verification,
- failure to make inquiry where inquiry was called for,
- disregard of binding judicial precedent, or
- disregard of binding Board directions.
Section 377 reflects the same substantive logic. Although the drafting is reorganised, the new Act also treats lack of required inquiry, relief granted without examination, non-compliance with binding instructions, and disregard of binding precedent as grounds that may render the order erroneous and prejudicial.
Therefore, when comparing section 263 and section 377, it is accurate to say that the concept of error remains materially the same, even though the new Act has codified the deeming structure more directly in the body of section 377 itself.
7. Deemed Error: Explanation 2 to Section 263 and Section 377(3)
This is one of the most important comparative topics.
Under section 263, Explanation 2 deems an order to be erroneous and prejudicial if, in the opinion of the revisional authority:
- inquiries or verification which should have been made were not made,
- relief was allowed without inquiry,
- the order is contrary to Board instructions, or
- the order is not in accordance with a jurisdictional High Court or Supreme Court decision prejudicial to the assessee.
Under section 377, this deeming logic is substantially carried into section 377(3) itself. The new Act therefore does not alter the substantive categories; it recasts them as an integral statutory part of the new revision provision.
In practical terms, that means the common grounds for revision continue to be:
- lack of inquiry,
- lack of verification,
- relief granted without scrutiny,
- non-compliance with Board directions, and
- departure from binding precedent.
Example
Suppose the Assessing Officer accepts a large claim of exemption or deduction without calling for supporting agreements, computation notes, eligibility documents, or statutory-condition proof. Under old law, the Department may invoke Explanation 2(a) or (b) to section 263. Under the new law, the same fact pattern would generally fall within section 377(3). The change is one of section-number and drafting location, not of underlying principle.
8. Lack of Inquiry versus Inadequate Inquiry
This is a doctrine of major importance under section 263, and it remains equally relevant when analysing section 377.
The case-law line, particularly Gabriel India, Vikas Polymers, Sunbeam Auto, and Anil Kumar Sharma, establishes that there is a real difference between:
- no inquiry, and
- inadequate inquiry.
If the Assessing Officer actually called for details, examined the material, and took a possible view, section 263 cannot be invoked merely because the Commissioner thinks a deeper inquiry should have been made. That logic remains important even under section 377, because the new provision, though textually stronger in drafting, still rests on the same foundational concept that revision is not meant to replace one permissible view with another.
Therefore, under both provisions, the assessee’s most powerful factual defence is often to show from the record that the issue was actually examined.
Example
If the Assessing Officer called for confirmations, bank statements, ledger accounts, invoices, and explanations regarding a disputed expenditure and then allowed the claim, the revisional authority may not succeed merely by saying that one more document should have been called for. That may, at best, suggest inadequate inquiry, not absence of inquiry. Under old law, that proposition is argued under section 263 jurisprudence; under the new law, the same reasoning remains relevant while meeting section 377(3)-type allegations.
9. When Revision Is Not Validly Available
Under section 263, revision is not justified where:
- the Assessing Officer has taken one possible view,
- the Commissioner is merely substituting his opinion,
- there was inquiry, though the Commissioner considers it insufficient,
- the issue has already been considered and decided in appeal, or
- the action is barred by limitation.
The same propositions materially apply while reading section 377. The new Act has not converted revision into a general supervisory review. Thus, even under section 377, a mere difference of opinion should not by itself justify interference where the original order is supportable in law and based on actual inquiry. Likewise, the doctrine that matters already concluded in appeal should not be reopened through revision continues to be relevant in principle, subject of course to the exact drafting and context under the governing Act.
10. Opportunity of Hearing and Natural Justice
Both regimes require real procedural fairness.
Under section 263, the assessee must be given an opportunity of being heard before the revisional order is passed. The Supreme Court in CIT v. Amitabh Bachchan (2016) 384 ITR 200 (SC) clarified that what matters is a real and fair opportunity; the Commissioner is not rigidly confined by technical show-cause formalism in the same way as reassessment proceedings. The stronger challenge is usually denial of fair opportunity, not a hyper-technical objection to the form of notice alone.
The same procedural logic applies under section 377. Since section 377 also contemplates revision only after hearing and inquiry by the competent authority, any valid exercise of power under the new Act must similarly satisfy natural justice. Therefore, whether the case falls under section 263 or section 377, one major litigation issue remains common: Was the assessee effectively confronted with the grounds, material, and reasoning on which revision was proposed?
11. Limitation Under Section 263 and Section 377
Limitation is another area where a topic-wise comparison is important.
Under section 263(2), no order under section 263(1) can be passed after two years from the end of the financial year in which the order sought to be revised was passed. The provision also contains exclusions for certain periods such as rehearing under section 129 and stay by court, and section 263(3) preserves power in cases involving findings or directions of appellate forums.
Under section 377, the broad outer limitation also remains two years from the end of the financial year in which the order sought to be revised was passed. However, the new Act states the exclusion rules more expressly in section 377(6) and adds a specific minimum residual period of 60 days through section 377(7). Thus, the outer structure remains similar, but the new Act provides a somewhat cleaner drafting treatment of exclusion and residual time.
Accordingly, on the limitation topic, the correct comparative conclusion is this: the new Act does not substantially alter the two-year outer structure, but it refines the drafting on excluded time and minimum balance period.
12. Remedies Against an Adverse Revisional Order
This topic also needs parallel treatment.
Under section 263, an adverse revisional order is directly appealable to the ITAT under section 253(1)(c), ordinarily within 60 days under section 253(3).
Under section 377, the equivalent direct appellate remedy lies under section 362 of the 2025 Act. Where the order is passed under section 377 by a Principal Commissioner or Commissioner, appeal lies under section 362(1)(b)(ii), and in certain higher-authority cases under section 362(1)(c). The limitation under the new Act is stated as two months from the end of the month in which the order is communicated.
Thus, under both statutes, the assessee gets a direct Tribunal remedy against the revisional order itself. The drafting differs, but the structural position remains the same: revision is not merely to be suffered and then challenged only in later assessment proceedings.
13. Consequential Assessment Proceedings Under Both Regimes
Both section 263 and section 377 contemplate not only modification or enhancement, but also cancellation of the assessment and direction for a fresh assessment. Therefore, once the revisional order is passed, a second front of litigation usually opens before the Assessing Officer.
Under old law, the consequential time-limit flows from section 153, including the framework applicable where an order under section 263 has resulted in a fresh or give-effect assessment. The effective 12-month framework from the end of the relevant financial year applies in such cases, with section 153(5) operating for certain give-effect situations.
Under the new Act, the corresponding completion framework is dealt with in section 286, which provides the time-limit for fresh assessment or give-effect proceedings following an order under section 377.
The legal strategy therefore remains the same under both laws: the assessee must understand that once a revisional order is passed, there may be:
i. a direct challenge to the revision order, and
ii. a simultaneous defence in the consequential assessment proceedings.
14. Litigation Strategy: What the Assessee Should Do
This topic is especially important for practice.
At the notice stage
Whether the case is under section 263 or section 377, the assessee should first file a complete and technically strong reply before the revisional authority. The reply should show:
- what inquiry the Assessing Officer actually conducted,
- what documents were filed,
- why the view taken was legally sustainable,
- why there is no real prejudice to the Revenue,
- why the case is one of at most inadequate inquiry and not lack of inquiry, and
- why the issue is covered by precedent or already concluded in appeal, where applicable.
After an adverse revisional order
Under both regimes, the prudent course is usually to proceed on two fronts:
- file the direct ITAT appeal against the revisional order, and
- simultaneously defend the fresh / consequential assessment on facts, law, and scope of remand.
The reason is simple. The Tribunal appeal attacks the foundation of the revision order. The fresh-assessment defence addresses the practical tax consequences that may follow if the revisional order is not immediately stayed or set aside.
15. Can the Assessee Rely Only on the Fresh Assessment Defence?
As correctly emphasised in relation to section 263, that course is generally unsafe. The Assessing Officer is not the appellate forum against the revisional jurisdiction. Therefore, if the assessee only fights before the Assessing Officer and does not appeal the revision order itself, the additions may possibly be resisted on merits, but the revisional order may still remain standing. That logic is equally relevant under the new section 377 framework.
Example
Suppose a revisional authority holds that the Assessing Officer failed to verify a large capital claim and directs a fresh assessment. The assessee may later satisfy the Assessing Officer in the consequential proceedings and avoid any addition. Even then, unless the revisional order itself is challenged before the Tribunal, the legal finding that the original order was erroneous may remain intact. That is why the direct appellate challenge remains essential under both statutes.
16. Stay and Scope of Fresh Proceedings
One important practical point must be kept in mind: filing an appeal does not automatically stay the consequential assessment.
Under the old regime, the ITAT has stay power under section 254(2A) in relation to appeals before it. Under the new regime, the precise procedural route will depend on the appellate structure under the new Act, but the practical point remains the same: the assessee should not assume that the consequential assessment will stop merely because the revisional order has been appealed.
Another important proposition is that, in a set-aside assessment, the Assessing Officer cannot travel beyond the legal scope of the revisional directions. That proposition appears in the section 263 context, and the same logic is relevant while dealing with fresh proceedings under section 377 as well. The assessee should therefore examine not only the merits, but also the permissible scope of the consequential proceeding.
17. Forum-wise Issues Under Both Regimes
A useful practice-based way to understand both provisions is forum-wise.
Before the revisional authority
Whether under section 263 or section 377, the assessee argues:
- inquiry was made,
- the order is not erroneous,
- the order is not prejudicial,
- the issue is debatable or already examined, and
- the deeming conditions do not apply.
Before the ITAT
The assessee argues:
- lack of jurisdiction,
- absence of the twin conditions,
- substitution of opinion,
- wrong invocation of deemed-error provisions,
- natural justice violation, and
- limitation defects.
Before the Assessing Officer in consequential proceedings
The assessee argues:
- there is no addition sustainable on facts,
- the material fully answers the revisional concerns,
- the AO cannot exceed the remand scope, and
- any proposed addition is independently unsustainable.
This forum-wise logic, though often articulated in the section 263 context, translates naturally into the section 377 context as well because the structure of revision-plus-consequence remains common to both regimes.
18. Transition Between Section 263 and Section 377
This is perhaps the most practically important comparative topic.
Even after the commencement of the Income-tax Act, 2025 on 1 April 2026, revision for a tax year beginning before 1 April 2026 continues to be governed by the Income-tax Act, 1961 by reason of the saving and transition provision in section 536(2)(c) and the related continuation rule in section 536(2)(e). The Department’s FAQ also clarifies that fresh revision after 1 April 2026 for a pre-2026 year can still be initiated under old section 263, provided old limitation has not expired.
Accordingly:
- for pre-1 April 2026 tax years, the revision issue remains one under section 263;
- for post-1 April 2026 tax years, the relevant provision is section 377.
Example
If the revision relates to AY 2025-26, the governing revision provision remains section 263, even if proceedings begin after 1 April 2026. If the matter relates to a tax year beginning in the post-commencement regime, the governing provision will be section 377.
19. Where Section 378 Fits in This Discussion
Since section 378 also arises in discussions on the new Act, it must be located correctly without disturbing the main comparison.
Section 378 is not the new version of section 263. It is the new Act’s separate provision for revision of other orders, broadly aligned with the old section 264 framework. It is conceptually different because it is not the main prejudicial-to-revenue revision provision.
Therefore, in an article comparing section 263 and section 377, section 378 should be mentioned only to avoid confusion and to clarify that the comparison with section 263 is legally with section 377, not section 378.
20. Conclusion
When the subject is revision of orders prejudicial to the Revenue, the correct comparative framework is section 263 of the Income-tax Act, 1961 and section 377 of the Income-tax Act, 2025. Both provisions operate on the same foundational principle: a revisional authority may interfere only where the order is erroneous and prejudicial to the interests of the revenue. The new Act does not destroy this doctrine; it continues it, while reorganising the drafting, broadening the textual range of covered orders, embedding the deemed-error structure more directly, and restating the limitation and appeal framework in the language of the 2025 Act.
From a litigation standpoint, the practitioner must therefore approach both provisions in the same disciplined sequence: first test jurisdiction, then test inquiry, then test prejudice, then test limitation, and then choose the correct appellate and consequential strategy. For old-law years, that means section 263; for new-law years, that means section 377. Section 378 must be kept separate conceptually and used only where its distinct statutory field is actually attracted.
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