Author: Ashwarya Sharma, Advocate, Co-Founder & Legal Head, RB LawCorp
Published on: 21/07/2026
Introduction
The Hon’ble Gauhati High Court’s decision in Tata Projects Ltd. & Ors. v. Union of India & Ors. [(2026) 43 Centax 473 (Gau.)] has already become an important addition to the evolving jurisprudence under the GST regime. While the judgment is widely discussed for upholding the validity of consolidated show cause notices spanning multiple financial years, it also offers something far more fundamental—a detailed judicial analysis of the distinction between assessment and adjudication under the CGST Act, 2017.
Historically, these concepts evolved under different indirect tax statutes. Assessment was traditionally associated with Sales Tax and VAT laws, whereas adjudication formed the backbone of Central Excise and Service Tax proceedings. The GST legislation incorporates both concepts within a unified framework, but the Gauhati High Court demonstrates that they continue to perform distinct statutory functions.
This article examines the Court’s analysis and explains why understanding this distinction is essential for every GST practitioner.
The Statutory Framework: Six Forms of Assessment Under Chapter XII
Chapter XII of the CGST Act, titled “Assessment,” comprises Sections 59 to 64 and provides six different methods through which tax liability may be determined.
Section 59 – Self-Assessment
The foundation of the GST regime lies in self-assessment, where the registered person determines his own tax liability and files returns without departmental intervention.
Section 60 – Provisional Assessment
Where the taxpayer is unable to determine the correct value or applicable tax rate, provisional assessment may be sought from the Proper Officer.
Section 61 – Scrutiny of Returns
Section 61 empowers the department to scrutinize returns and seek explanations for discrepancies. If satisfactory explanations are not forthcoming, proceedings may subsequently be initiated under Sections 66, 67, 73 or 74.
Sections 62 & 63 – Best Judgment Assessment
These provisions enable the Proper Officer to assess tax liability of:
- Non-filers of returns; and
- Unregistered persons liable to registration.
Section 64 – Summary Assessment
Summary assessment permits immediate determination of tax liability, with prior approval of senior officers, where delay is likely to adversely affect revenue.
Taken together, these provisions create a complete assessment mechanism ranging from voluntary compliance to unilateral determination.
Chapter XV: The Adjudicatory Framework Under Sections 73 and 74
The Court next examined Chapter XV, titled “Demand and Recovery,” particularly Sections 73 and 74.
One of the principal challenges before the Court was whether these provisions require separate show cause notices for each financial year.
After examining Sections 73(1), 73(2), 73(9), 73(10) and their counterparts under Section 74, the Court found no statutory prohibition against issuing a consolidated notice covering multiple financial years, provided the limitation period prescribed under the Act is respected.
The Court therefore upheld the legality of consolidated notices as well as consolidated adjudication orders.
Assessment and Adjudication: Five Fundamental Distinctions
The real significance of the judgment lies in the Court’s explanation of why proceedings under Sections 73 and 74 are not merely another form of assessment.
1. Separate Legislative Placement
The Court first observed that Parliament deliberately placed the two mechanisms under different chapters.
- Chapter XII deals with Assessment.
- Chapter XV deals with Demand and Recovery.
This structural separation itself indicates that Parliament intended them to perform different statutory functions.
2. The Definition of Assessment Does Not Include Sections 73 or 74
Section 2(11) defines assessment to include:
- Self-assessment
- Reassessment
- Provisional assessment
- Summary assessment
- Best judgment assessment
Each of these finds its source within Chapter XII.
The Court noted that these forms of assessment are generally non-adversarial in nature.
By contrast, proceedings under Sections 73 and 74 begin with:
- issuance of a show cause notice;
- filing of replies;
- opportunity of hearing under Section 75; and
- culminate in a reasoned adjudication order.
The adversarial nature of these proceedings clearly distinguishes adjudication from assessment.
3. Adjudication Follows Assessment
The Court further observed that proceedings under Sections 73 and 74 usually arise only after some form of assessment has already taken place.
For example:
- self-assessment may reveal discrepancies;
- scrutiny under Section 61 may identify irregularities; or
- summary assessment may necessitate further proceedings.
Similarly, assessments under Sections 62 and 63 expressly operate without prejudice to proceedings under Sections 73 and 74.
Thus, adjudication supplements assessment—it does not replace it.
4. Penalty Exists Only in Adjudication
One of the most significant distinctions drawn by the Court concerns penalty. The assessment provisions under Chapter XII merely determine tax liability. None of them authorise imposition of penalty. Sections 73 and 74, however, empower the Proper Officer to determine:
- tax,
- interest, and
- penalty.
The power to impose penalty necessarily involves determination of default or culpability, transforming the proceeding into an adjudicatory exercise rather than a computational one.
5. Fraud Can Be Determined Only Under Section 74
Finally, the Court observed that findings regarding:
- fraud,
- wilful misstatement, or
- suppression of facts
can never arise during assessment proceedings.
These questions are examined exclusively during adjudication under Section 74.
This further reinforces the conceptual distinction between assessment and adjudication.
Why the Judgment Matters
Although the judgment is remembered primarily for validating consolidated show cause notices covering multiple financial years, its lasting significance lies elsewhere.
It provides perhaps the clearest judicial exposition yet of how the CGST Act accommodates two historically distinct concepts inherited from earlier indirect tax regimes.
The Court clarifies that:
- assessment determines or estimates tax liability;
- adjudication resolves disputes after following principles of natural justice;
- both operate independently while complementing each other within the statutory framework.
Conclusion
The Gauhati High Court has brought much-needed conceptual clarity to one of the foundational aspects of GST procedure.
Assessment under Chapter XII and adjudication under Chapter XV are not interchangeable expressions merely because both ultimately determine tax liability. They differ in purpose, procedure, statutory placement, and legal consequences.
The judgment also reminds practitioners that the GST legislation consciously retains concepts inherited from both the VAT and Central Excise regimes without merging them into a single procedural framework.
An equally interesting question remains for future litigation. Courts have consistently recognised that an assessment—including self-assessment—creates vested rights in favour of taxpayers. As GST jurisprudence continues to evolve, the interaction between those vested rights and the adjudicatory powers under Sections 73 and 74 is likely to become an increasingly significant area of judicial examination.
As the law develops further, the distinction drawn by the Gauhati High Court may well become one of the foundational principles governing GST procedural jurisprudence.
(The author is a practicing advocate, Co-Founder and Legal Head of RB LawCorp.
He specializes in GST law. Suggestions or queries can be directed to
ashsharma@rblawcorp.in. The views expressed in this article are strictly
personal.)
