UPSC Notes

Caste-based Reservations in India

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

This concept is fundamental to social justice, constitutional law, governance, and socio-economic development in India. UPSC examines its constitutional validity, socio-economic impact, judicial interpretations, and challenges in implementation.

Caste-based reservations in India are a form of affirmative action enshrined in the Constitution, designed to address historical injustices, ensure social equity, and provide representation for socially and educationally backward classes (SEBCs), Scheduled Castes (SCs), and Scheduled Tribes (STs) in education, employment, and legislative bodies.

Phase IIStatic core

Facts & tables

Key facts

Constitutional Basis

Articles 15(4), 15(5), 16(4), 16(4A), 16(4B), 330, 332, 335 provide for reservations.

Mandal Commission

Recommended 27% reservation for OBCs, implemented in 1990.

Indra Sawhney Case (1992)

Upheld OBC reservation but imposed a 50% ceiling on total reservations and introduced the 'creamy layer' concept.

EWS Reservation

10% reservation for Economically Weaker Sections introduced by 103rd Constitutional Amendment Act, 2019.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaSocial Justice & Development
Conceptual areaIndian Polity & Constitution

Reference table

Institutions & roles

BodyRole
Supreme Court of IndiaInterprets constitutional provisions and reviews reservation policies
State GovernmentsImplement reservation policies and identify backward classes
National Commission for Backward Classes (NCBC)Advises on inclusion/exclusion from obc lists and monitors safeguards
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Institutional roles and functions

Quick revision

  • Constitutional basis: Arts 15(4,5), 16(4,4A,4B).
  • Indra Sawhney: 50% ceiling, creamy layer.
  • EWS: 103rd Amendment, 10% reservation.
  • Role of NCBC and State Commissions.
  • Debates: criteria, quantum, impact on merit.

Elimination traps

Constitutional vs statutoryDistinguish between constitutional provisions for reservations and statutory laws/rules made by states.

Check if created by Constitution or by Parliament.

High-confidence PYQs

Topic timeline

Social Justice & DevelopmentIndian Polity & Constitution

Manoj Jarange Patil begins indefinite hunger strike for Maratha reservation

30 Aug 2026 · Reservations are constitutional provisions for social justice, aiming to uplift marginalized communities. Key aspects include constitutional articles, judicial pronouncements (Indra Sawhney), the 50% ceiling, creamy layer, and recent EWS reservation. Debates often revolve around the criteria for backwardness, quantum of reservation, and its impact on merit.

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Related topics

Practice writing on this topic

UPSC has asked 8 linked questions on Caste-based Reservations in India in Mains. Write an answer to one — and get it evaluated.

UPSC Prelims PYQs on Caste-based Reservations in India

Practice official previous year questions asked by UPSC related to this concept.

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