Reasonable Classification

So the enquiry has three steps, not two: what is the object; is the object legitimate; and is the differentia rationally connected to it.

The rules of application

Courts have settled a set of working propositions, and reproducing them is what a good answer does after stating the twin test.

There is a presumption of constitutionality, and the burden of showing a violation of article 14 lies on the person alleging it.

The presumption may rest on matters of common knowledge, and a court will assume that the legislature correctly appreciated the needs of its own people.

A legislature is free to recognise degrees of harm and may confine its restriction to those cases where the need is deemed clearest. It need not attack every aspect of a problem at once.

A law may be constitutional even though it applies to a single individual, if on account of some special circumstance that individual may be treated as a class by himself.

Mathematical nicety is not required. A classification may be rough at the edges, and some inequality in practice does not invalidate.

The classification may be made by the legislature or by an authority under a statute, provided the statute lays down the policy or principle for making it.

What the doctrine forbids

Facts. State of West Bengal v. Anwar Ali Sarkar, AIR 1952 SC 75, (1952) 1 SCR 284, decided 11 January 1952. The West Bengal Special Courts Act 1950 was intituled an Act to provide for the speedier trial of certain offences. Section 5(1) empowered the State Government to direct that a Special Court try "such offences or classes of offences or cases or classes of cases" as it directed. The special procedure dispensed with committal and with a jury, restricted adjournments and dispensed with de novo trial on transfer. The respondent and forty-nine others, charged over an armed raid on a factory, were convicted by a Special Court to which their case had been referred by notification, and moved the High Court saying section 5(1) denied them the equal protection of the laws.

Held. The special procedure was not on its face calculated to prejudice a fair trial, and the need for a speedier trial could form the basis of a reasonable classification, so section 5(1) was unobjectionable so far as it allowed the reference of offences or classes of offences or classes of cases. What was fatal was that it also allowed the State Government to refer "any case", including an individual case, and so vested an absolute and arbitrary power to select, with no principle laid down in the Act to guide the selection. To that extent the section was discriminatory and void.

Why it matters. It is the foundational Indian authority on classification, and its real teaching is about who draws the line. A legislature may classify. What it may not do is hand an unguided discretion to an official to decide, case by case, who will be treated differently. The Act failed not because differential treatment was unjustifiable but because the Act itself did not justify it.

Classification and the reservation question

MU's 2026 paper asked how the judiciary has interpreted reasonable classification in the context of affirmative action, so the connection has to be made explicitly.

Reservation is a classification: it marks off a group and gives it different treatment. On the equality code as set out in [The Equality Code], articles 15(4) and 16(4) are not exceptions to the guarantee but instances of the classification the guarantee already permits. That is why the Court has been able to say that reservation does not derogate from equality but effectuates it.

The twin test then supplies the discipline. The differentia must be intelligible: social and educational backwardness, or inadequate representation, must be identifiable and must be shown, not assumed. And it must have a nexus with the object: the object of reservation is the adequate representation of a class that is not adequately represented, so a reservation for a group that is in fact adequately represented has no nexus. That reasoning is why the creamy layer must be excluded and why data must be collected, dealt with in [The Creamy Layer] and [Reservation in Promotion].

An illustration of the test in operation

Facts. Ajay Hasia v. Khalid Mujib Sehravardi, AIR 1981 SC 487, (1981) 1 SCC 722, decided 13 November 1980. Admission to an engineering college was decided partly by a viva voce which lasted two or three minutes a candidate, consisted of formal questions about parentage and residence with no relevance to the subject, and carried one third of the total qualifying marks.

Held. The society running the college was "State" within article 12 and was bound by article 14. Allotting a third of the marks to an interview conducted in that manner was excessive and arbitrary.

Why it matters. It shows the second half of the article 14 enquiry doing what the classification test cannot. The rule applied equally to every candidate, so there was no classification to attack. What was wrong was that the method bore no rational relation to the object, selecting candidates on merit. That is the bridge to the next chapter.

A worked example

A State law provides that offences under a food adulteration statute committed in a municipal area shall be tried summarily, while the same offences committed elsewhere follow the ordinary procedure. A trader convicted summarily challenges the provision under article 14.

Step one, is there a classification? Yes: by geography, municipal area against the rest.

Step two, is the differentia intelligible? Yes. Municipal areas are defined by law and a person can tell which side of the line he is on. Geography is a recognised basis of classification, and territorial classification has repeatedly been upheld.

Step three, what is the object of the Act? Suppose the preamble says it is to prevent the adulteration of food and to secure prompt punishment where the risk to public health is greatest.

Step four, is there a nexus? This is where the case is won or lost. If the State can show that adulteration is concentrated in dense urban markets and that delay there causes wider harm, the nexus holds. If the object is simply to punish adulteration wherever it occurs, geography has no connection with it and the classification fails.

Step five, who drew the line? Here the statute itself drew it, so Anwar Ali Sarkar is not offended. Had the Act instead allowed a Collector to decide case by case which trader would be tried summarily, with no principle stated, it would have failed on that ground alone however good the geographical justification.

Step six, is the object itself legitimate? If the real purpose were to burden traders of a particular community concentrated in those areas, the classification would serve the object perfectly and still be void.

Quick revision

• Article 14 forbids class legislation, not reasonable classification.
• The twin test: an intelligible differentia, and a rational nexus between that differentia and the object of the Act. Both are required.
• The object must itself be legitimate, or a discriminatory purpose would validate its own means.
• Presumption of constitutionality; burden on the challenger; degrees of harm may be recognised; a single individual may be a class; mathematical nicety is not required.
• Anwar Ali Sarkar: speedier trial can be a valid basis, but an unguided power to pick an individual case is void. The vice is uncontrolled discretion, not differential treatment.
• Reservation is a classification, so the same test disciplines it: backwardness or inadequate representation must be shown, and must connect to the object.

Test yourself

1. State the twin test and explain which of the two conditions does the real work.

2. Why must the object of the Act itself be legitimate? What hole does that close?

3. Give five working propositions courts apply when testing a classification.

4. In Anwar Ali Sarkar, what was held valid and what was held void? What exactly was the vice?

5. Apply the twin test to reservation, and say what it requires the State to prove.