UPSC Notes

Other Backward Classes (OBCs) and their Enumeration

PYQs

7

Articles

1

Momentum

19

Phase IFoundation

Background

Overview

Understanding India's social structure, the implementation and challenges of affirmative action policies, constitutional provisions related to social justice, the complexities of demographic data collection, and the political economy of caste in India.

Other Backward Classes (OBCs) are a constitutionally recognized category of socially and educationally backward citizens in India, eligible for affirmative action. Their accurate enumeration, often debated in the context of the decennial Census, is crucial for effective policy formulation, resource allocation, and ensuring social justice.

Phase IIStatic core

Facts & tables

Key facts

Constitutional Basis

Articles 15(4), 16(4), and 340 empower the state to make special provisions for SEBCs.

Mandal Commission

Identified 3,743 castes as OBCs and recommended 27% reservation in central government services.

National Commission for Backward Classes (NCBC)

A constitutional body (Article 338B, via 102nd Amendment) tasked with examining grievances and safeguarding interests of OBCs.

Caste Census Debate

While SC/ST data is collected in the Census, a comprehensive enumeration of OBCs has been a subject of political and social debate, with arguments for and against its inclusion.

Reference table

Census Data Collection for Social Categories

CategoryCensus Enumeration Status
Scheduled Castes (SC)Regularly enumerated since 1951
Scheduled Tribes (ST)Regularly enumerated since 1951
Other Backward Classes (OBC)Not enumerated comprehensively since 1931 (except for some state-level efforts)

Reference table

Static syllabus anchors

TypeReference
Conceptual areaSocial Justice & Development

Reference table

Institutions & roles

BodyRole
National Commission for Backward Classes (NCBC)Advises on and safeguards interests of obcs
Registrar General and Census Commissioner of IndiaConducts the decennial census
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Factual recall

Prelims angle: Multi-statement analysis

Quick revision

  • OBCs are identified as Socially and Educationally Backward Classes (SEBCs).
  • Constitutional provisions for OBCs are in Articles 15(4), 16(4), 340.
  • Mandal Commission recommended 27% reservation for OBCs.
  • NCBC is a constitutional body (102nd Amendment Act).
  • Comprehensive OBC enumeration in Census is a debated topic.

Elimination traps

Constitutional vs statutoryNCBC was statutory until 2018, then became constitutional via the 102nd Amendment Act.

Check if created by Constitution or by Parliament.

High-confidence PYQs

Topic timeline

Social Justice & Development

Could perverse incentives lead to inflated OBC numbers in Census? Answer is no

25 Aug 2026 · OBCs are a key social category for affirmative action; their enumeration in the Census is a contentious issue with significant policy implications for social justice and resource distribution.

Read article

Related topics

Practice writing on this topic

UPSC has asked 7 linked questions on Other Backward Classes (OBCs) and their Enumeration in Mains. Write an answer to one — and get it evaluated.

UPSC Prelims PYQs on Other Backward Classes (OBCs) and their Enumeration

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

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