Indian Constitution – Detailed & Categorised Summary 

The Constitution of India is the supreme law of the country, adopted on 26 November 1949 and effective from 26 January 1950. It establishes the framework of governance, defines powers, and guarantees rights.

🧭 1. Preamble (Introductory Philosophy)

The Preamble reflects the spirit of the Constitution:

• Sovereign, Socialist, Secular, Democratic, Republic

• Ensures:

  • Justice (Social, Economic, Political)

  • Liberty (Thought, Expression, Belief, Faith, Worship)

  • Equality (Status & Opportunity)

  • Fraternity (Unity & Integrity)

📌 Important Case: Kesavananda Bharati v. State of Kerala – Preamble is part of the Constitution.

🏛️ 2. Union & Its Territory (Articles 1–4)

• India = “Union of States”

• Parliament can:

  • Form new states

  • Alter boundaries/names

🧑‍⚖️ 3. Citizenship (Articles 5–11)

• Citizenship at commencement

• Parliament empowered to regulate citizenship laws

📌 Relevant Law: Citizenship Act, 1955

⚖️ 4. Fundamental Rights (Articles 12–35)

Core of judicial exams ⚠️

Categories:

• Right to Equality (Art. 14–18)

• Right to Freedom (Art. 19–22)

• Right against Exploitation (Art. 23–24)

• Right to Freedom of Religion (Art. 25–28)

• Cultural & Educational Rights (Art. 29–30)

• Right to Constitutional Remedies (Art. 32)

📌 Key Cases:

• Maneka Gandhi v. Union of India – Expanded Article 21

• A.K. Gopalan v. State of Madras – Early interpretation of personal liberty

📜 5. Directive Principles of State Policy (Articles 36–51)

• Non-justiciable but fundamental in governance

• Promote welfare state

Types:

• Socialist Principles

• Gandhian Principles

• Liberal-Intellectual Principles

📌 Conflict Case: Minerva Mills v. Union of India – Balance between FR & DPSP

🧍 6. Fundamental Duties (Article 51A)

• Added by 42nd Amendment

• Moral obligations of citizens

🏢 7. Union Executive (Articles 52–78)

• President (Head of State)

• Vice-President

• Prime Minister & Council of Ministers

📌 Real executive power lies with Council of Ministers

🏛️ 8. Parliament (Articles 79–122)

• Bicameral:

  • Lok Sabha

  • Rajya Sabha

• Law-making authority

⚖️ 9. Judiciary (Articles 124–147)

• Supreme Court of India

• Guardian of Constitution

Powers:

• Judicial Review

• Writ Jurisdiction (Art. 32)

📌 Important Doctrine: Basic Structure Doctrine
(From Kesavananda Bharati v. State of Kerala)

🏢 10. State Government (Articles 153–237)

• Governor

• Chief Minister & State Legislature

• High Courts (Art. 214)

🔄 11. Centre-State Relations (Articles 245–263)

Types:

• Legislative

• Administrative

• Financial

📌 Important for federal structure questions

🚨 12. Emergency Provisions (Articles 352–360)

Types:

• National Emergency (Art. 352)

• State Emergency / President’s Rule (Art. 356)

• Financial Emergency (Art. 360)

📌 Key Case: S.R. Bommai v. Union of India

🗳️ 13. Elections (Articles 324–329)

• Conducted by Election Commission of India

📑 14. Amendment of Constitution (Article 368)

• Parliament can amend Constitution

📌 Limited by Basic Structure Doctrine
(Kesavananda Bharati v. State of Kerala)

🌐 15. Schedules of the Constitution (12 Schedules)

Important for exams:

• 7th Schedule – Union, State & Concurrent Lists

• 8th Schedule – Languages

• 9th Schedule – Laws immune from judicial review (subject to basic structure)

🧠 Exam-Oriented Strategy (Judicial Services)

• 📌 Focus heavily on Articles + Landmark Cases

• 📌 Remember Article numbers with topics

• 📌 Practice case law application-based questions

• 📌 Use Bare Act reading as primary source

• 📌 Revise frequently with short notes

🎯 Final Note

The Indian Constitution is the backbone of all legal subjects in judicial exams. Mastery over Fundamental Rights, DPSP, Judiciary, and landmark judgments is essential for scoring high in both Prelims and Mains.