Small vs Commercial Quantity under the NDPS Act

In an NDPS case, one of the most important questions is whether the seized substance falls under small quantity, intermediate quantity, or commercial quantity under the NDPS Act. This classification can directly affect the punishment, bail conditions, and applicability of Section 37 of the NDPS Act.

The distinction became even more significant after the Supreme Court’s 2020 decision in Hira Singh v. Union of India, which clarified how the quantity of a drug mixed with neutral substances is determined. The ruling significantly expanded the circumstances in which a seizure may be treated as a commercial quantity under the NDPS Act.

Where the Thresholds Come From?

The NDPS Act, 1985 does not prescribe the specific weight limits for small and commercial quantities. Instead, Sections 2(vii-a) and 2(xxiii-a) define commercial and small quantity by reference to the limits notified by the Central Government.

These NDPS quantity limits are set out in S.O. 1055(E) dated 19 October 2001, as amended from time to time. The notification provides separate small quantity and commercial quantity thresholds for different narcotic drugs and psychotropic substances.

Since these NDPS quantity thresholds can vary by substance and may be updated through amendments, the applicable notification should always be checked rather than relying on a remembered figure or secondary source.

Small, Intermediate and Commercial Quantity Under NDPS

The Act divides NDPS offences into small, intermediate, and commercial quantities, with each category carrying different legal consequences.

Small quantity — less than the notified small quantity figure.

Intermediate quantity — more than small but less than commercial. The Act describes this as a quantity lesser than commercial quantity but greater than small quantity.

Commercial quantity — greater than the notified commercial quantity figure.

The intermediate band matters because Section 37 does not apply to it. An accused in that band is governed by ordinary bail principles, which is a materially different position from one in the commercial band.

The 2020 Change: Mixtures and Neutral Substances

This is the most consequential development in this area, and it reversed the previous position.

In Hira Singh v. Union of India, (2020) 20 SCC 272 : 2020 INSC 348, decided on 22 April 2020, a three-Judge Bench of the Supreme Court held that where a narcotic drug or psychotropic substance is seized mixed with one or more neutral substances, the quantity of the neutral substance is not to be excluded. The total weight of the mixture, together with the actual content of the offending drug, is taken into account in determining whether the quantity is small or commercial.

That decision overruled E. Micheal Raj v. Intelligence Officer, Narcotic Control Bureau, which had held that only the actual content by weight of the narcotic drug was relevant.

The practical effect. A quantity of drug that would, on its own, fall in the small or intermediate band can constitute a commercial quantity once the medium it is mixed with is counted. That brings with it the sentencing range for commercial quantity and the twin conditions in Section 37.

Mixture is not the same as carrier. Courts have drawn a distinction between a substance mixed with the drug and a container or carrier in which it is transported or concealed. The weight of packaging, or of an article in which a packet is hidden, has been held not to count towards the quantity. The Delhi High Court applied that reasoning in holding that the weight of items in which contraband was concealed could not be included.

The position remains under challenge. Petitions have invited the Supreme Court to reconsider Hira Singh, on the argument that the approach produces disproportionate outcomes — a small quantity of drug in a large quantity of an inert medium attracting the same treatment as large-scale trafficking. Unless and until the Court revisits it, Hira Singh is the governing authority, and it should be applied.

Why the Classification Decides so Much

Sentencing. The Act’s punishment provisions are structured by band, with the most severe range reserved for commercial quantity and a mandatory minimum attaching to it.

Bail. Section 37 applies to offences involving commercial quantity, and to offences under Sections 19, 24 and 27A. In those cases, bail requires the court to be satisfied that there are reasonable grounds for believing the accused is not guilty and that he is not likely to commit any offence while on bail.

Everything downstream. Because the commercial classification brings both a mandatory minimum sentence and near-prohibitive bail conditions, the quantity determination frequently decides the practical outcome long before trial.

Where the Determination can be Contested

The NDPS quantity classification can be challenged by examining the seizure, weighment, sampling and chemical analysis evidence.

The weighment. How the substance was weighed, when, by whom, and whether the record is contemporaneous.

The sampling. Whether samples were drawn in accordance with the applicable procedure, whether from each package or in the manner prescribed for multiple packages, and whether the sampling is properly recorded.

The chemical analysis. What the Forensic Science Laboratory report actually says — the substance identified, the quantity analysed, and whether the report addresses the composition of the mixture.

Mixture or carrier. Whether what has been weighed is a mixture within Hira Singh, or packaging and concealment material that should not count.

The notification. Whether the correct entry and the correct notified figures have been applied to the substance identified.

These are technical points, and they are the substance of NDPS defence work at the bail stage as much as at trial.

Practical Guidance

Identify the substance and check the notified figures for it in the current notification, rather than relying on a remembered number.

Obtain the seizure memo, the weighment record, the sampling record and the FSL report at the earliest opportunity, and read them together — discrepancies between them are common and consequential.

Establish which band the case genuinely falls in before framing a bail application, because that determines whether Section 37 applies at all.

Do not rely on E. Micheal Raj. It has been overruled, and an argument built on it invites the answer that the application proceeds on law that no longer exists.

FAQs

What is a small quantity under the NDPS Act?

A small quantity is a quantity less than the limit notified by the Central Government for the particular narcotic drug or psychotropic substance.

What is a commercial quantity under the NDPS Act?

A commercial quantity is a quantity greater than the notified commercial quantity limit for the substance.

Does Section 37 apply to intermediate quantity?

Generally, no. Section 37’s stringent bail conditions apply to offences involving commercial quantity and certain specified offences, not merely because the quantity is above small quantity.

Does the weight of a mixture count under the NDPS Act?

Yes. Under Hira Singh v. Union of India, the total weight of a mixture containing the narcotic drug or psychotropic substance is considered for determining the quantity.

Why does quantity matter in an NDPS case?

Quantity can affect the applicable punishment and whether the stringent bail conditions under Section 37 of the NDPS Act apply.

Legal Information Disclaimer

This article is published for general legal information and educational purposes only. It reflects the position of Indian law as researched up to 10 August 2026 and may not account for subsequent amendments, notifications or judicial developments. The notified quantity figures are amended from time to time and should be verified against the current notification for the substance concerned. This article deliberately states no specific quantity figures. It is not legal advice, does not take into account any individual’s particular facts or circumstances, and no advocate-client relationship arises from reading it. Readers dealing with an actual matter should obtain independent professional advice from a qualified advocate of their own choosing before acting on any information contained here. Statutory provisions, notified figures, rules and case citations referred to in this article have been compiled from published legal materials and may contain errors or omissions, and may have changed since the date stated; no representation or warranty, express or implied, is given as to their accuracy, completeness or currency, and each should be independently verified against the official text or the official record before being relied upon. No liability is accepted for any loss arising from reliance on this article.

Sources / Authorities

• Narcotic Drugs and Psychotropic Substances Act, 1985 — Sections 2(vii-a), 2(xxiii-a), 19, 20, 21, 22, 24, 27A and 37 — India Code, https://www.indiacode.nic.in
• Notification S.O. 1055(E) dated 19 October 2001, Ministry of Finance, Department of Revenue, as amended — small and commercial quantities for notified substances
• Hira Singh v. Union of India, (2020) 20 SCC 272 : 2020 INSC 348, Supreme Court of India, three-Judge Bench, decided 22 April 2020 — https://indiankanoon.org/doc/128615827/
• E. Micheal Raj v. Intelligence Officer, Narcotic Control Bureau — overruled by Hira Singh
• Narcotics Control Bureau — standing instructions on sampling and disposal of seized drugs