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UPSC Mains Notes 2026

General Studies Paper II (GS-II)

Page 1 – The Constitution of India: Historical Background, Making of the Constitution & Salient Features

The Constitution of India is the supreme law of the country and forms the foundation of India's democratic system. It establishes the framework for governance, distributes powers among different organs of the government, guarantees Fundamental Rights, and lays down the Directive Principles of State Policy. A thorough understanding of the Constitution is essential for every UPSC aspirant because it forms the backbone of General Studies Paper II and is frequently tested in both the Preliminary and Mains examinations.

Learning Objectives

Understand the historical evolution of the Indian Constitution.
Learn about the Constituent Assembly and the Constitution-making process.
Study the important sources of the Indian Constitution.
Understand the salient features of the Constitution.
Develop analytical skills for UPSC Mains answer writing.

Why This Topic is Important for UPSC?

Questions related to the Constitution appear regularly in UPSC Prelims, Mains, and the Personality Test. Aspirants are expected not only to remember constitutional provisions but also to analyse their significance in governance, democracy, public administration, social justice, and contemporary issues.

UPSC GS-II Syllabus Coverage

Indian Constitution—Historical Underpinnings, Evolution, Features, Amendments, Significant Provisions and Basic Structure.
Functions and Responsibilities of the Union and the States.
Parliament and State Legislatures.
Executive and Judiciary.
Constitutional, Statutory and Quasi-Judicial Bodies.

Quick Facts

Adopted: 26 November 1949
Came into Force: 26 January 1950
Originally Contained: 395 Articles, 22 Parts and 8 Schedules
Presently: 25 Parts, 450+ Articles (numbered), and 12 Schedules (after amendments)
Chairman of the Drafting Committee: Dr. B. R. Ambedkar
President of the Constituent Assembly: Dr. Rajendra Prasad

Historical Background of the Indian Constitution

The Indian Constitution did not emerge suddenly in 1950. It is the result of nearly two centuries of constitutional evolution under British rule, combined with the aspirations of the Indian freedom movement. Various Acts passed by the British Parliament gradually introduced administrative reforms, representative institutions, and principles of governance that influenced the framing of the Constitution of India.

Evolution of the Indian Constitution

1. Regulating Act, 1773

First step by the British Parliament to regulate the East India Company.
Governor of Bengal became the Governor-General of Bengal.
Warren Hastings became the first Governor-General of Bengal.
Established the Supreme Court at Calcutta in 1774.

2. Pitt's India Act, 1784

Separated commercial and political functions of the Company.
Established the Board of Control in Britain.
Strengthened the British Government's control over Indian administration.

3. Charter Act, 1813

Ended the Company's trade monopoly except in tea and trade with China.
Permitted Christian missionaries to enter India.
Promoted education and cultural development.

4. Charter Act, 1833

Governor-General of Bengal became the Governor-General of India.
Lord William Bentinck became the first Governor-General of India.
Introduced administrative centralisation.
Opened government employment irrespective of religion or caste in principle.

5. Charter Act, 1853

Separated legislative and executive functions.
Introduced open competition as a basis for civil services (implemented later).
Expanded the Legislative Council.

UPSC Value Addition

The period from 1773 to 1853 laid the constitutional foundation for modern administration in India. Many institutions created during this period later evolved into democratic institutions under the Constitution of India.

Quick Revision Table

Act	Importance
1773	Beginning of constitutional administration
1784	British Government control over Company
1813	End of trade monopoly and promotion of education
1833	Administrative centralisation
1853	Legislative reforms and Civil Services

Historical Background (1858–1947)

The Revolt of 1857 marked a turning point in Indian history. After suppressing the revolt, the British Parliament abolished the rule of the East India Company and transferred the administration of India directly to the British Crown. Over the following decades, several constitutional reforms gradually expanded legislative institutions and political participation, ultimately leading to India's independence and the framing of the Constitution.

1. Government of India Act, 1858

Abolished the rule of the East India Company.
Transferred the administration of India to the British Crown.
Created the office of the Secretary of State for India.
The Governor-General also became the Viceroy of India.
Lord Canning became the first Viceroy of India.

2. Indian Councils Act, 1861

Introduced Indians into the legislative process for the first time.
Restored the portfolio system.
Allowed the Viceroy to nominate Indians to the Legislative Council.
Strengthened provincial administration.

3. Indian Councils Act, 1892

Expanded the Central and Provincial Legislative Councils.
Introduced an indirect method of election.
Members could discuss the Budget and ask limited questions.

4. Indian Councils Act, 1909 (Morley–Minto Reforms)

Introduced separate electorates for Muslims.
Increased Indian representation in legislative councils.
Marked the beginning of communal representation in Indian politics.

5. Government of India Act, 1919 (Montagu–Chelmsford Reforms)

Introduced the system of Dyarchy in the provinces.
Expanded legislative councils.
Provided for direct elections in many constituencies.
Separated Central and Provincial subjects.

6. Government of India Act, 1935

The longest and most comprehensive constitutional law enacted before Independence.
Provided for Provincial Autonomy.
Proposed an All-India Federation (not implemented).
Introduced three legislative lists: Union, Provincial and Concurrent.
Established the Federal Court of India in 1937.
Many provisions of this Act influenced the Constitution of India.

7. Indian Independence Act, 1947

Partitioned British India into India and Pakistan.
Ended British rule in India.
Recognised the Constituent Assembly as a sovereign legislative body.
Empowered India to frame its own Constitution.

UPSC Value Addition

Among all the constitutional reforms introduced during British rule, the Government of India Act, 1935 had the greatest influence on the Constitution of India. Important features such as Provincial Autonomy, the Federal Scheme, the office of the Governor, the Public Service Commissions, and the Federal Court inspired several constitutional provisions adopted after Independence.

Quick Revision Table

Year	Act	Key Feature
1858	Government of India Act	Transfer of power to the British Crown
1861	Indian Councils Act	Indians nominated to Legislative Councils
1892	Indian Councils Act	Indirect elections introduced
1909	Morley–Minto Reforms	Separate electorates
1919	Government of India Act	Dyarchy in Provinces
1935	Government of India Act	Provincial Autonomy and Federal Framework
1947	Indian Independence Act	Freedom and Partition

Constituent Assembly of India

The Constituent Assembly was established to draft the Constitution of India. It represented different regions and communities of the country and worked through discussion, debate, and consensus. The Assembly played a historic role in creating the world's longest written Constitution for an independent democratic republic.

Formation of the Constituent Assembly

Constituted under the Cabinet Mission Plan of 1946.
The first meeting was held on 9 December 1946.
Dr. Sachchidananda Sinha served as the Temporary Chairman.
Dr. Rajendra Prasad was elected as the Permanent President of the Constituent Assembly.
H. C. Mukherjee served as the Vice-President.

Composition of the Constituent Assembly

Originally consisted of 389 members.
After the Partition of India, the membership was reduced to 299 members.
Representatives came from British Indian Provinces and Princely States.
Members were elected indirectly by Provincial Legislative Assemblies.

Drafting Committee

The Drafting Committee was formed on 29 August 1947 to prepare the Draft Constitution.

Chairman

Dr. B. R. Ambedkar

Important Members

N. Gopalaswami Ayyangar
Alladi Krishnaswami Ayyar
K. M. Munshi
Mohammad Saadulla
B. L. Mitter (later replaced)
D. P. Khaitan (later replaced by T. T. Krishnamachari)

Constitution-Making Process

First meeting: 9 December 1946
Objectives Resolution moved by Jawaharlal Nehru on 13 December 1946.
Draft Constitution presented in November 1948.
The Constitution was adopted on 26 November 1949.
It came into force on 26 January 1950, celebrated as Republic Day.
The Constituent Assembly held 11 sessions over nearly three years.
The Assembly took approximately 2 years, 11 months and 18 days to complete the Constitution.

Important Facts for UPSC

Father of the Indian Constitution: Dr. B. R. Ambedkar.
Constitution Day is observed on 26 November every year.
Republic Day is celebrated on 26 January.
The Constitution originally contained 395 Articles, 22 Parts and 8 Schedules.

UPSC Mains Practice Question

Q. Discuss the role of the Constituent Assembly in framing the Constitution of India. Explain why its functioning is considered a remarkable democratic achievement.

Key Takeaways

The Constituent Assembly reflected democratic deliberation and consensus-building.
It balanced diversity with national unity.
The Constitution established India as a Sovereign Democratic Republic, later amended to Sovereign Socialist Secular Democratic Republic.
The values adopted by the Assembly continue to guide India's constitutional governance.

Sources of the Indian Constitution

The Constitution of India has borrowed several provisions from the constitutions of different countries while adapting them to suit Indian conditions. Therefore, it is often described as a unique blend of global constitutional principles and Indian values.

Country	Borrowed Features
United Kingdom	Parliamentary System, Rule of Law, Cabinet System, Legislative Procedure
United States of America	Fundamental Rights, Judicial Review, Independence of Judiciary, Impeachment of the President
Ireland	Directive Principles of State Policy, Method of Election of the President
Canada	Federal System with a Strong Centre, Advisory Jurisdiction of the Supreme Court
Australia	Concurrent List, Freedom of Trade and Commerce, Joint Sitting of Parliament
Germany	Emergency Provisions
USSR (Russia)	Fundamental Duties, Ideals of Social, Economic and Political Justice
South Africa	Procedure for Constitutional Amendment, Election of Rajya Sabha Members
Japan	Procedure Established by Law

Salient Features of the Indian Constitution

Lengthiest Written Constitution in the World.
Sovereign, Socialist, Secular, Democratic Republic.
Parliamentary System of Government.
Federal System with Unitary Features.
Independent Judiciary.
Fundamental Rights.
Directive Principles of State Policy.
Fundamental Duties.
Single Citizenship.
Universal Adult Franchise.
Independent Constitutional Bodies.
Emergency Provisions.
Integrated Judicial System.
Balance between Rigidity and Flexibility.

Basic Structure Doctrine

The Basic Structure Doctrine was evolved by the Supreme Court in the landmark Kesavananda Bharati v. State of Kerala (1973) judgment. It states that Parliament can amend the Constitution under Article 368, but it cannot alter or destroy its basic structure.

Important Elements of the Basic Structure

Supremacy of the Constitution.
Rule of Law.
Judicial Review.
Separation of Powers.
Federalism.
Secularism.
Democracy.
Free and Fair Elections.
Independence of the Judiciary.
Dignity of the Individual.

UPSC Previous Year Practice Question

Question: Discuss the salient features of the Indian Constitution. Explain how the Basic Structure Doctrine safeguards constitutional democracy.

Quick Revision Points

Adopted on 26 November 1949.
Effective from 26 January 1950.
Drafting Committee Chairman: Dr. B. R. Ambedkar.
Basic Structure Doctrine established in 1973.
The Constitution is a blend of rigidity and flexibility.

Practice MCQs

1. Which case introduced the Basic Structure Doctrine?
Answer: Kesavananda Bharati v. State of Kerala (1973).

2. Which country inspired the Directive Principles of State Policy?
Answer: Ireland.

3. Which country inspired the Parliamentary System?
Answer: United Kingdom.

4. Which Article deals with the amendment of the Constitution?
Answer: Article 368.

Conclusion

The Constitution of India is the foundation of the nation's democratic governance. Understanding its historical evolution, sources, salient features, and the Basic Structure Doctrine is essential for success in UPSC Prelims, Mains, and the Personality Test. A strong conceptual understanding of these topics enables aspirants to analyse constitutional issues critically and write high-quality answers in the examination.

Mind Map – The Constitution of India

                 CONSTITUTION OF INDIA
                         │
     ┌───────────────────┼───────────────────┐
     │                   │                   │
Historical         Constituent          Constitution
Background           Assembly             Features
     │                   │                   │
1773–1947         1946–1950          Federal System
     │                   │           Parliamentary Govt
     │                   │           Fundamental Rights
British Acts      Drafting Committee  DPSP
     │             Dr. B.R. Ambedkar  Fundamental Duties
     │                               Independent Judiciary
     │                               Emergency Provisions
     │
     └───────────────────┬───────────────────┘
                         │
                   Basic Structure
                         │
     Democracy • Rule of Law • Judicial Review
     Secularism • Federalism • Constitution Supremacy

Easy Mnemonics

1. Important Constitutional Acts

Mnemonic: RPCCC-I

R – Regulating Act (1773)
P – Pitt's India Act (1784)
C – Charter Act (1813)
C – Charter Act (1833)
C – Charter Act (1853)
I – Independence Act (1947)

2. Salient Features

Mnemonic: SPF-FIDUES

S – Sovereign Socialist Secular Democratic Republic
P – Parliamentary Government
F – Federal System
F – Fundamental Rights
I – Independent Judiciary
D – Directive Principles
U – Universal Adult Franchise
E – Emergency Provisions
S – Single Citizenship

3. Borrowed Features

Mnemonic: UICA-GSJA

U – United Kingdom
I – Ireland
C – Canada
A – Australia
G – Germany
S – South Africa
J – Japan
A – America (USA)

30-Second Revision Synopsis

Topic	Key Point
Adopted	26 November 1949
Effective	26 January 1950
Drafting Committee	Dr. B. R. Ambedkar
Original Constitution	395 Articles, 22 Parts, 8 Schedules
Present Constitution	25 Parts, 12 Schedules
Basic Structure	Kesavananda Bharati Case (1973)

Exam Booster Points

Government of India Act, 1935 is the most important source of the Constitution.
The Constitution is both rigid and flexible.
The Preamble reflects the philosophy of the Constitution.
Judicial Review protects constitutional supremacy.
The Basic Structure Doctrine limits Parliament's amending power.

Answer Writing Keywords

Constitutionalism • Rule of Law • Federalism • Democratic Governance • Accountability • Transparency • Separation of Powers • Judicial Review • Cooperative Federalism • Constitutional Morality • Social Justice • Inclusive Governance

Interview Corner

Q. Why is the Constitution called the "living document"?

Model Answer: The Constitution is called a living document because it adapts to changing social, political and economic needs through constitutional amendments and progressive judicial interpretation while preserving its Basic Structure and democratic values.

Page 1 Synopsis

This lesson covered the historical evolution of the Indian Constitution, major constitutional Acts, the Constituent Assembly, the Constitution-making process, sources of the Constitution, salient features, and the Basic Structure Doctrine. These concepts form the foundation of General Studies Paper II and are essential for UPSC Prelims, Mains, and the Personality Test.

Next Lesson → Page 2
The Preamble of the Constitution of India
• Philosophy of the Preamble
• Keywords Explained
• 42nd Constitutional Amendment
• Landmark Supreme Court Judgments
• UPSC Mains Answer Writing Practice

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