Published on: 06th March 2026
Authored by: Mansi Yadav
Maharshi Dayanand University (mdu-cpas)
Case Details
Full Case Name: State of Punjab & Ors. v. Davinder Singh & Ors.
Bench: Seven-Judge Constitution Bench
Court: Supreme Court of India
Date of Judgment: August 1, 2024
Introduction:
The Supreme Court of India’s 6:1 ruling in State of Punjab v. Davinder Singh (2024)[1] overruled E.V. Chinnaiah v. State of A.P. (2005)[2], holding States may sub-classify Scheduled Castes (SCs) under Articles 15(4) and 16(4) based on empirical data showing subgroup disparities.[3] This landmark judgment transforms reservation jurisprudence by rejecting SC homogeneity.[4]
Facts of the Case
Punjab’s Punjab Scheduled Castes and Backward Classes (Reservation in Services) Act, 2006 (s. 4(5)) reserved 50% of SC vacancies for underrepresented Balmikis/Mazhabi Sikhs, addressing empirical disparities where dominant SC subgroups monopolized benefits.[5] Punjab collected service data showing these communities comprised 31.81% of SC population but held only 24.28% of SC reserved posts.[6]
Challenged as violating Article 341’s indivisible SC list, the policy conflicted with E.V. Chinnaiah (2005), which held States lacked competence for sub-classification. [7]Punjab High Court referred it to a seven-judge bench.[8]
Issues Before the Court
The Supreme Court was mainly required to adjudicate upon the following issues:
- Whether Scheduled Castes form a homogeneous class under the Constitution?
- Whether a State government has the power to sub-classify Scheduled Castes for the purpose of reservation without changing the Presidential List under Article 341 of the Constitution?
- Whether the decision in E.V. Chinnaiah v. State of Andhra Pradesh (2005) requires reconsideration?
- Whether sub-classification is violative of the right to equality under Articles 14, 15(4), and 16(4) of the Constitution?
Arguments Advanced
Arguments by the Petitioners (Opposing Sub-classification)
The petitioners argued that:
- Article 341 creates homogeneous SC class; sub-classification fragments it[9]
- The Scheduled Castes constitute a single class, and any further division would result in fragmentation and discrimination among equals.
- The decision in E.V. Chinnaiah properly construed the constitutional framework and should continue to regulate the law of reservation.
- The possibility of political abuse and arbitrary allocation of reservation benefits exists if States are permitted to sub-classify.
Arguments by the Respondents (State of Punjab)
The State of Punjab argued that:
- Sub-classification does not affect or remove any caste from the Presidential List; it only controls the allocation of benefits.
- Equalizing unequal groups is counterproductive to the concept of equality under Article 14 itself.
- Articles 15(4) and 16(4) give the State the authority to formulate affirmative action policies on the basis of backwardness and underrepresentation.
- Empirical evidence proves that some SCs have remained perpetually marginalized for several decades despite the benefit of reservations.
- Chinnaiah arbitrarily assumed uniformity among Scheduled Castes and failed to apply the doctrine of substantive equality.
Judgment
In a 6:1 majority (Justice Bela M. Trivedi dissenting) [10], the seven-judge Constitution Bench overruled E.V. Chinnaiah (2005) and upheld the constitutional validity of Punjab’s sub-classification policy among Scheduled Castes.
The Court held that:
- Scheduled Castes are not a homogeneous class[11].
- The States have the constitutional competence to make sub-classifications only for the limited purpose of ensuring an equitable distribution of benefits under the reservation policy.
- Sub-classification does not violate Article 341, as the Presidential List is left unaffected.
The Court held SCs are not homogeneous and States can sub-classify based on data, without altering Article 341 lists.
Ratio Decidendi
States may sub-classify SCs/STs under Articles 15(4)/16(4) based on quantifiable data on backwardness/under-representation, without tinkering with Article 341 lists or exceeding 50% ceiling; apply creamy layer exclusion.
Reasoning of the Court
The reasoning of the Court was based on the following constitutional tenets:
- Substantive Equality as opposed to Formal Equality
The Court reiterated that Article 14 does not require equal treatment but equal treatment of equals and unequal treatment of unequals. The Court held that treating deeply unequal SCs as one homogeneous class would continue to perpetuate inequality rather than doing away with it.
- Nature of Article 341
Article 341 specifies who constitutes the Scheduled Castes; it does not prescribe how the benefits are to be allocated. Sub-classification is internal to the list, not on the list.
- Democratic Decentralization
The Court held that permitting States to formulate reservation policies according to their needs recognizes the varied social realities of India. Social backwardness is not uniform in different areas, and a uniform, centralized approach to governance is not effective.
- Empirical Foundation:
Requires quantifiable, contemporaneous data on backwardness/under-representation, subject to judicial scrutiny and SC/ST creamy layer exclusion.[12]
The Strengths of this Judgment
- Social Reality Alignment
The Court recognizes that reservation benefits are disproportionately awarded to members of dominant groups within the Scheduled Caste communities.
- Restoration of Substantive Equality
This decision enhances the Constitutional vision described in the cases of Indra Sawhney and State of Kerala v. N.M. Thomas by emphasizing that equality must be addressed through consideration for structural disadvantage.
- Institutional Adaptability
Overruling a prior Constitution Bench decision demonstrates the Court’s maturity in adapting constitutional interpretation to evolving social realities.
Concerns and Limitations
- Risk of Political Abuse – Risk of Political Abuse: Sub-classification risks populism without data safeguards and monitoring.
- Data gaps: No caste census since 1931; NFHS-5/SECC 2011 provide limited evidence.[13]
- Potential for Increasing Tensions among SCs – Internal sub-classification may increase tensions within SC communities unless process and implementation are carried out with extreme sensitivity.
While all of these factors are taken into consideration, the Court attempts to strike a balance between creating flexible opportunities for sub-classification while also providing the necessary constitutional protections.
Consequences and Importance
The impact of the consequent decision has many ramifications.
- States can now target the most disadvantaged within SCs/STs.
- Reinforces OBC sub-classification from (Indra Sawhney v Union of India (1992))[14]
- Advances Dr. B.R. Ambedkar’s vision of evolving social justice.
- Affirms the Constitution as a living document.
Most importantly, it advances Ambedkar’s vision of evolving social justice.
Conclusion
State of Punjab v Davinder Singh establishes a new benchmark in reservation jurisprudence. It addresses inequalities among the most disadvantaged within SCs. The ruling redistributes reservation benefits to the neediest SC subgroups without reducing overall SC quotas, affirming the Constitution as a living document for social justice.
[1] State of Punjab v Davinder Singh (2024) SCC OnLine SC 1860.
[2] EV Chinnaiah v State of AP(2005) 1 SCC 394.
[3] State of Punjab v Davinder Singh (supra n 1).
[4] Ibid (Chandrachud CJI).
[5] Punjab Scheduled Castes and Backward Classes (Reservation in Services) Act, 2006, s 4(5).
[6] State of Punjab v Davinder Singh (supra n 1)
[7] EV Chinnaiah (supra n 2)
[8] Davinder Singh v State of Punjab 2010 SCC OnLine P&H 745.
[9] EV Chinnaiah (supra n 2) .
[10] Ibid (Trivedi J, dissenting) -.
[11] Ibid (majority).
[12] Ibid , ; following Janhit Abhiyan v Union of India (2024) 5 SCC 1.
[13] National Family Health Survey-5 (2019-21)
[14] Indra Sawhney v Union of India* (1992) 3 SCC 217




