72nd BPSC Prelims 2026: Most Important Topics Subject-Wise

The 72nd BPSC Prelims 2026 examination is expected to follow the evolving trend of concept-based, current affairs-oriented, and Bihar-centric questions. Aspirants who aim to secure a high score must focus on the most relevant topics from each subject instead of covering every topic with equal intensity. Recent BPSC examinations indicate a clear shift towards analytical questions, governance-related issues, constitutional concepts, environmental awareness, and Bihar-specific developments.

This detailed subject-wise analysis highlights the most important areas that deserve maximum attention for the upcoming 72nd BPSC Prelims 2026.

BPSC Exam Pattern at a Glance

Particulars	Details
Exam Name	BPSC Combined Competitive Examination
Stage	Preliminary Examination
Total Questions	150
Marks	150
Duration	2 Hours
Negative Marking	No
Nature	Objective Type

Since there is no negative marking, candidates should focus on maximizing attempts while maintaining accuracy.

Indian Polity: Highest Priority Subject

Polity remains one of the most scoring and predictable sections in BPSC.

Most Important Topics

Constitutional Framework

Historical Background of the Constitution
Constituent Assembly
Preamble
Features of the Constitution
Union and State Relations

Fundamental Rights and Duties

Articles related to Fundamental Rights
Reasonable Restrictions
Fundamental Duties
Directive Principles of State Policy

Parliamentary System

Parliamentary Form of Government
President
Vice President
Prime Minister
Council of Ministers
Parliament
Parliamentary Committees

Judiciary

Supreme Court
High Courts
Judicial Review
Judicial Activism
Public Interest Litigation

Constitutional Bodies

Election Commission
UPSC
Finance Commission
Comptroller and Auditor General

Local Government

Panchayati Raj
Municipal Governance
73rd Constitutional Amendment
74th Constitutional Amendment

History: Focus on Modern India and Bihar

History contributes significantly to the prelims score.

Ancient India

Important Areas

Indus Valley Civilization
Vedic Period
Buddhism
Jainism
Mauryan Empire
Gupta Empire

Bihar-Specific Topics

Nalanda University
Vikramshila University
Rajgir
Bodh Gaya
Pataliputra

Medieval India

High-Probability Topics

Delhi Sultanate
Mughal Administration
Bhakti Movement
Sufi Movement

Modern India

Must-Read Topics

Revolt of 1857

Causes
Centres
Leaders
Consequences

Indian National Movement

INC Sessions
Moderate Phase
Extremist Phase
Revolutionary Activities

Gandhian Era

Champaran Satyagraha
Non-Cooperation Movement
Civil Disobedience Movement
Quit India Movement

Constitutional Development

Government of India Acts
Cripps Mission
Cabinet Mission

Geography: Static + Current Affairs Combination

Geography questions are increasingly application-based.

Physical Geography

Important Topics

Interior of Earth
Volcanoes
Earthquakes
Rocks
Mountains
Plate Tectonics

Climatology

Monsoon Mechanism
Cyclones
Jet Streams
Climate Change

Indian Geography

High-Weightage Areas

Rivers of India
Himalayan Region
Northern Plains
Peninsular Plateau
Agriculture
Mineral Resources

Bihar Geography

Most Important Topics

Major Rivers
Flood-Prone Areas
Soil Types
Irrigation Projects
National Parks
Wildlife Sanctuaries

Indian Economy: Conceptual Understanding is Essential

Economic questions now test understanding rather than memorization.

Core Topics

Economic Basics

GDP
GNP
Inflation
Deflation
Fiscal Policy
Monetary Policy

Banking

RBI Functions
Repo Rate
Reverse Repo Rate
CRR
SLR

Government Schemes

Financial Inclusion
Digital Economy
Direct Benefit Transfer

Budget and Economic Survey

Key Highlights
Taxation
Government Expenditure

Bihar Economy

Agriculture
Industries
Poverty
Employment
Infrastructure Development

Science and Technology

Questions are usually based on basic concepts and recent developments.

Physics

Motion
Energy
Electricity
Sound
Light

Chemistry

Acids and Bases
Metals and Non-Metals
Everyday Chemistry

Biology

Human Body
Nutrition
Diseases
Biotechnology

Recent Science Developments

Focus Areas

Space Missions
Artificial Intelligence
Biotechnology
Quantum Computing
Semiconductor Technology

Environment and Ecology

This section has become increasingly important.

Must-Study Topics

Ecology

Ecosystem
Food Chain
Biodiversity
Ecological Pyramid

Environment

Climate Change
Global Warming
Carbon Credit
Sustainable Development

International Agreements

UNFCCC
Kyoto Protocol
Paris Agreement
COP Summits

Protected Areas

National Parks
Biosphere Reserves
Ramsar Sites

Bihar Environment

Wetlands
Biodiversity Conservation
Wildlife Sanctuaries

Current Affairs: The Game Changer

At least 25–35 questions may have direct or indirect links to current affairs.

National Current Affairs

Important Areas

Government Schemes
Constitutional Developments
Economic Policies
Social Welfare Programs

International Affairs

G20
BRICS
SCO
United Nations

Science and Technology

ISRO Missions
Nobel Prizes
Major Scientific Discoveries

Awards and Honours

National Awards
International Awards
Sports Achievements

Bihar Special Current Affairs

This is the most important differentiating section for BPSC.

Must Cover

Government Initiatives

Bihar State Schemes
Social Welfare Programs
Education Reforms
Health Programs

Economic Developments

Investment Projects
Industrial Corridors
Infrastructure Projects

Cultural Events

Festivals
Heritage Sites
GI Tags

Important Personalities

Historical Figures
Contemporary Achievers

Bihar General Knowledge

Every serious BPSC aspirant must master Bihar GK.

History of Bihar

Ancient Bihar
Magadha Empire
Mauryan Empire
Gupta Empire

Freedom Movement in Bihar

Champaran Movement
Bihar’s Role in Independence

Culture

Folk Dances
Folk Music
Paintings
Festivals

Economy

Agriculture
Industry
Tourism

Administrative Structure

Districts
Divisions
Local Governance

Important Government Reports and Indices

Frequently asked areas include:

Human Development Index
Global Hunger Index
World Happiness Report
Ease of Doing Business
Multidimensional Poverty Index
Sustainable Development Goals

Most Important Topics Based on Recent BPSC Trends

Top 20 High-Yield Areas

Indian Constitution
Fundamental Rights
Parliamentary Government
Panchayati Raj
Modern Indian History
Champaran Satyagraha
Bihar History
Bihar Geography
Indian Economy
RBI and Banking
Budget and Economic Survey
Environment and Ecology
Climate Change
National Parks
Government Schemes
Science and Technology
Space Missions
Bihar Current Affairs
International Organizations
Reports and Indices

Subject-Wise Preparation Strategy for 72nd BPSC Prelims

Polity – 100% Coverage

Focus on constitutional articles, governance, and local administration.

History – 80% Modern India

Prioritize freedom struggle and Bihar’s contribution.

Geography – Concept-Based Learning

Practice maps and Bihar geography regularly.

Economy – Understanding Over Memorization

Master basic concepts and current economic developments.

Environment – Current Affairs Integration

Link static concepts with recent environmental events.

Current Affairs – Last 12 Months

Maintain concise notes for revision.

Bihar GK – Daily Revision

This section often decides the final cutoff.

Conclusion

Success in the 72nd BPSC Prelims 2026 will depend on smart topic selection, repeated revision, and mastery of Bihar-specific content. Candidates should prioritize Indian Polity, Modern History, Bihar GK, Economy, Environment, and Current Affairs, as these areas consistently produce the highest number of questions. A focused approach on these high-yield topics can significantly improve scores and increase the chances of qualifying for the Mains examination.

Follow Iaslearning for detailed BPSC 72nd Prelims strategy, expected questions, Bihar Current Affairs, and subject-wise preparation resources.