UPSC Notes

Caste-based Reservation System in India

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

It's a cornerstone of India's social justice framework, frequently debated, subject to judicial review, and impacts governance, social cohesion, and economic development. Understanding its constitutional basis, evolution, challenges, and implications is crucial for civil servants.

The caste-based reservation system in India is a form of affirmative action designed to address historical injustices and ensure representation for socially and educationally backward classes, Scheduled Castes (SCs), Scheduled Tribes (STs), and Other Backward Classes (OBCs) in public education and employment. It is rooted in the Indian Constitution, aiming to promote social equality and justice.

Phase IIStatic core

Facts & tables

Key facts

Constitutional Basis

Articles 15(4), 15(5), 16(4), 16(4A), 16(4B), 335.

Categories

SC, ST, OBC, and Economically Weaker Sections (EWS).

Purpose

To ensure adequate representation and uplift marginalized communities.

Landmark Judgment

Indra Sawhney case (1992) set the 50% ceiling for reservations.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaFundamental Rights
Conceptual areaDirective Principles of State Policy
Conceptual areaConstitutional Amendments & Structure

Reference table

Institutions & roles

BodyRole
Supreme Court of IndiaInterprets and reviews
State GovernmentsImplements and formulates state-specific policies
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Institutional roles and functions

Quick revision

  • Constitutional basis: Articles 15(4), 16(4).
  • Categories: SC, ST, OBC, EWS.
  • Indra Sawhney case: 50% ceiling.
  • Purpose: Social justice, representation.
  • Challenges: Creamy layer, judicial review.

Elimination traps

Constitutional vs statutoryDistinguish between constitutional provisions for reservation and statutory bodies/rules implementing them.

Check if created by Constitution or by Parliament.

High-confidence PYQs

Topic timeline

Fundamental RightsDirective Principles of State PolicyConstitutional Amendments & Structure

Discrepancies in validating Kunbi caste certificates: Jarange-Patil

08 Aug 2026 · India's caste-based reservation system, a constitutional affirmative action, aims to ensure social justice and representation for historically marginalized groups (SC, ST, OBC, EWS) in education and public employment, often leading to socio-political debates and judicial interventions.

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Related topics

Current topic

Caste-based Reservation System in India

Practice writing on this topic

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

UPSC Prelims PYQs on Caste-based Reservation System in India

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