
Aadrikaa Legal Services (ALS) – IDT Tax I Arbitration I Litigation
Date: 01.05.2026
CESTAT Bangalore Ruled on Proper Classification of Scientific Instruments under Customs Tariff Act

This Short Article has been prepared & written by Advocate Ravi Shekhar Jha-Delhi High Court, New Delhi. The views expressed are based on his interpretation of the law. He can be reached at his email id intelconsul@gmail.com .
The Customs, Excise & Service Tax Appellate Tribunal (CESTAT) Bangalore recently adjudicated a significant case involving ITC Limited and the classification of scientific instruments imported for research and development. The dispute centered on whether these instruments should be classified under Customs Tariff Heading (CTH) 9032 or 9027, impacting the applicable duties and compliance requirements.
Background of the Case
ITC Limited, a DSIR-certified research facility, imported a set of scientific instruments including a Monodisperse Aerosol Generator, Aerodynamic Particle Sizer, Electrical Neutralizer, and Aerosol Diluter. These instruments are integral to the physical and chemical analysis of aerosols, a process essential for ITC’s R&D activities. The company declared the goods under CTH 9027, which covers instruments for physical or chemical analysis, and paid the corresponding duties.
Customs Department’s Allegation
The Customs Department alleged mis-declaration, reclassifying the goods under CTH 9032, which pertains to instruments for measuring or controlling variables like temperature, pressure, or humidity. This reclassification led to a demand for differential duty, interest, and penalties under Section 114A of the Customs Act, 1962. The department also invoked the extended period of limitation, claiming suppression or willful misstatement by ITC Limited.
ITC Limited’s Defense
ITC Limited argued that:
- The imported instruments function together as a system for physical and chemical analysis, not for measurement or control as defined under CTH 9032.
- The goods were appropriately described and classified in the Bill of Entry, matching the supplier’s commercial invoice and HS code.
- The issue was interpretational, not a case of suppression or willful misstatement.
- The extended period of limitation was wrongly invoked, as there was no evidence of evasion or concealment.
Legal Provisions and Precedents
- Chapter 90 of the Customs Tariff Act: CTH 9027 covers instruments for physical or chemical analysis, while CTH 9032 is for instruments measuring or controlling specific variables.
- Chapter Note 3 and Section XVI Note 4: When a combination of machines contributes to a clearly defined function, classification should follow the function.
- Supreme Court Precedents: Multiple judgments, including Pahwa Chemicals Pvt. Ltd. vs. CCE, emphasized that extended limitation requires proof of willful misstatement or suppression.
Tribunal’s Findings
The Tribunal found that:
- The aerosol generator and related instruments are used for generating and analyzing aerosols, not for measurement or control as per CTH 9032.
- The system does not operate in isolation and lacks mechanisms to measure or control parameters independently.
- The classification under CTH 9027 is appropriate, and the department’s invocation of extended limitation was unsustainable.
- The penalty and demand raised by the department were set aside.
Outcome
The appeal was allowed, and the impugned order was set aside. ITC Limited received consequential relief, affirming the correct classification under CTH 90278090.
Key Takeaways for Importers
- Accurate Classification: Ensure goods are classified based on their actual function and use, supported by documentation.
- Documentation: Maintain clear records, including commercial invoices and technical descriptions, to support classification.
- Legal Awareness: Understand relevant tariff headings and legal notes to avoid disputes.
- Responding to Allegations: In case of misclassification allegations, demonstrate bona fide intent and absence of suppression.
This case highlights the importance of precise classification and robust documentation in customs compliance for scientific instruments.
Connected Matter
Source: CESTAT Bangalore
Handy Download:
Write to us at office@aadrikaalaw.com
Tel: +91-11-4999 2707 I +91-9999005379






