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Basic Structure Doctrine — UPSC Prelims Facts and Traps

UPSC Civil Services• POLITY• Basic Structure Doctrine• Basic Structure Doctrine — UPSC Prelims Facts and Traps
A high-yield UPSC Prelims revision note covering the Basic Structure Doctrine, Article 368, Kesavananda Bharati, Minerva Mills, Waman Rao, I.R. Coelho, Ninth Schedule, important constitutional amendments, recognised Basic Structure features, amendment procedures, case-law chronology, statement-based questions and common Prelims traps.

Basic Structure Doctrine — UPSC Prelims Facts and Traps

Introduction

The Basic Structure Doctrine is one of the most important areas of Indian Polity for UPSC Prelims.

It was established by the Supreme Court in:

Kesavananda Bharati v. State of Kerala, 1973

The doctrine means:

Parliament can amend the Constitution, but cannot destroy or damage its Basic Structure.

For Prelims, the most important areas are:

  • Article 368
  • Kesavananda Bharati
  • Basic Structure
  • Limited Amending Power
  • Judicial Review
  • Important constitutional features
  • Ninth Schedule
  • Waman Rao
  • I.R. Coelho
  • Minerva Mills
  • Common conceptual traps

Core Formula

Article 368 → Amendment Power

Kesavananda Bharati → Basic Structure

Minerva Mills → Limited Amending Power

Waman Rao → 24 April 1973 Cut-Off

I.R. Coelho → Ninth Schedule Review


1. Basic Structure Doctrine — Core Fact

The Basic Structure Doctrine was established in:

Kesavananda Bharati v. State of Kerala, 1973

The Supreme Court held that:

Parliament's power to amend the Constitution is not unlimited.

Prelims Memory

Kesavananda Bharati → 1973 → Basic Structure


2. Article 368

Article 368 deals with:

Power of Parliament to amend the Constitution and the procedure therefor

It is located in:

Part XX

of the Constitution.

Prelims Facts

Part XX → Amendment of the Constitution

Article 368 → Constitutional Amendment


3. Does Article 368 Expressly Mention Basic Structure?

No.

The Constitution does not contain an express provision stating:

"Parliament cannot alter the Basic Structure."

The doctrine was:

Judicially Evolved

by the Supreme Court.

Prelims Trap

Basic Structure is expressly mentioned in Article 368.

False


4. Can Parliament Amend the Constitution?

Yes.

Parliament has the power to amend the Constitution under:

Article 368

However, the power is:

Limited

by the Basic Structure Doctrine.

Memory

Amend → Yes

Destroy Basic Structure → No


5. Is Parliament's Amending Power Unlimited?

No.

Parliament's amending power is subject to:

Basic Structure

The Supreme Court reaffirmed this principle in:

Minerva Mills v. Union of India, 1980

Prelims Trap

Article 368 gives Parliament unlimited power to amend the Constitution.

False


6. Limited Amending Power

The:

Limited Nature of Parliament's Amending Power

is itself recognised as part of the:

Basic Structure

This was strongly established in:

Minerva Mills, 1980

Memory

Minerva Mills → Limited Amending Power


7. What Is Basic Structure?

Basic Structure refers to:

Essential Features of the Constitution

that cannot be destroyed through constitutional amendment.

There is:

No Exhaustive List

of Basic Structure features.


8. Important Basic Structure Features

The Supreme Court has recognised various features, including:

  • Supremacy of the Constitution
  • Rule of Law
  • Judicial Review
  • Separation of Powers
  • Federalism
  • Secularism
  • Democracy
  • Republicanism
  • Judicial Independence
  • Free and Fair Elections
  • Limited Amending Power
  • Dignity and Liberty of the Individual

Prelims Memory

Basic Structure → No Exhaustive List


9. Is Every Constitutional Provision Part of Basic Structure?

No.

Not every constitutional provision is automatically part of the Basic Structure.

The doctrine protects:

Essential Constitutional Features

rather than:

Every Individual Provision


10. Can Basic Structure Be Amended?

This requires careful wording.

Parliament can amend constitutional provisions related to features that form part of the Basic Structure.

However, it cannot:

Destroy or Damage the Basic Structure

Prelims-Safe Statement

A Basic Structure feature can be modified, but cannot be destroyed in its essential character.


11. Basic Structure and Fundamental Rights

Parliament can amend:

Fundamental Rights

through the constitutional amendment procedure.

However, it cannot use the amendment power to:

Destroy the Basic Structure

Prelims Trap

Fundamental Rights can never be amended.

False


12. Golaknath Case

In:

Golaknath v. State of Punjab, 1967

the Supreme Court held that Parliament could not amend Fundamental Rights.

This position was later altered through constitutional developments and the ruling in:

Kesavananda Bharati, 1973

Memory

Golaknath → FR Amendment Restricted

Kesavananda → Amendment Allowed but Basic Structure Protected


13. Kesavananda Bharati Case

Case

Kesavananda Bharati v. State of Kerala

Year

1973

Bench

13-Judge Constitution Bench

Main Contribution

Basic Structure Doctrine

Core Holding

Parliament Can Amend the Constitution

but:

Cannot Destroy Basic Structure

Prelims Memory

Kesavananda → 13 Judges → 1973 → Basic Structure


14. Largest Constitution Bench

The Kesavananda Bharati case was decided by:

13 Judges

It remains one of the largest Constitution Benches of the Supreme Court.

Prelims Trap

Kesavananda Bharati was decided by a 9-Judge Bench.

False

It was:

13 Judges


15. Kesavananda and Article 368

The case examined:

Parliament's Amending Power

under:

Article 368

The Court recognised:

Wide Amending Power

but rejected:

Unlimited Amending Power


16. Kesavananda and Basic Structure

The Court did not say:

Constitution Cannot Be Amended

Instead, it established:

Amendment Power + Basic Structure Limitation

Formula

Power to Amend → Yes

Power to Destroy → No


17. Minerva Mills Case

Case

Minerva Mills v. Union of India

Year

1980

Important Contributions

  • Limited Amending Power
  • Judicial Review
  • Balance between Fundamental Rights and Directive Principles

Memory

Minerva Mills → Limited Power + Judicial Review + FR-DPSP Balance


18. Indira Gandhi v. Raj Narain

Year

1975

The Supreme Court recognised:

Free and Fair Elections

as an important feature of the Basic Structure.

Memory

Indira Gandhi Case → Free and Fair Elections


19. S.R. Bommai v. Union of India

Year

1994

The judgment is important for:

Federalism

and:

Secularism

as constitutional features.

Memory

S.R. Bommai → Federalism + Secularism


20. Waman Rao Case

Case

Waman Rao v. Union of India

Year

1981

It dealt with:

Ninth Schedule + Basic Structure

The important date is:

24 April 1973

This is the date of the:

Kesavananda Bharati Judgment

Memory

Waman Rao → 24 April 1973 Cut-Off


21. I.R. Coelho Case

Case

I.R. Coelho v. State of Tamil Nadu

Year

2007

Bench

Nine-Judge Constitution Bench

The judgment held that post-24 April 1973 laws placed in the:

Ninth Schedule

can be examined for:

Basic Structure Violations

Memory

I.R. Coelho → 2007 → 9 Judges → Ninth Schedule Review


22. Ninth Schedule

The Ninth Schedule was created through:

First Constitutional Amendment Act, 1951

It is associated with:

Article 31B

It was initially intended largely to protect:

Land Reform Laws

Memory

First Amendment → Ninth Schedule

Article 31B → Ninth Schedule


23. Article 31B

Article 31B provides constitutional protection to laws included in the:

Ninth Schedule

However, the protection is not:

Absolute

for relevant post-24 April 1973 insertions.


24. Ninth Schedule and Basic Structure

The important sequence is:

First Amendment, 1951

↓

Ninth Schedule

↓

Kesavananda Bharati, 1973

↓

Basic Structure Doctrine

↓

Waman Rao, 1981

↓

24 April 1973 Cut-Off

↓

I.R. Coelho, 2007

↓

Ninth Schedule Review

Prelims Memory

Ninth Schedule → Not Absolute Immunity


25. Does I.R. Coelho Abolish the Ninth Schedule?

No.

The Ninth Schedule continues to exist.

Article 31B continues to operate.

The judgment established:

Judicial Review for Basic Structure Violations

of relevant post-24 April 1973 Ninth Schedule insertions.


26. Does I.R. Coelho Make Every Ninth Schedule Law Invalid?

No.

The Court does not automatically invalidate every Ninth Schedule law.

It examines whether:

Basic Structure Is Damaged

Prelims Trap

Post-1973 Ninth Schedule Law = Automatically Invalid

False


27. 24 April 1973

This date is extremely important.

24 April 1973

is the date of the:

Kesavananda Bharati Judgment

It became an important cut-off in:

Waman Rao

for Ninth Schedule jurisprudence.

Prelims Trap

24 April 1973 is the date of Waman Rao judgment.

False

Waman Rao was decided in:

1981


28. Judicial Review

Judicial Review means:

Courts Can Examine the Constitutional Validity of Government Action

It is recognised as part of:

Basic Structure

Memory

Judicial Review → Basic Structure


29. Can Parliament Remove Judicial Review?

Parliament cannot remove Judicial Review in a manner that:

Destroys the Basic Structure

This was strongly reaffirmed in:

Minerva Mills


30. Constitutional Supremacy

India follows:

Constitutional Supremacy

rather than:

Absolute Parliamentary Sovereignty

Parliament derives its power from:

The Constitution

Prelims Memory

India → Constitution Supreme

Parliament → Constitutionally Limited


31. Parliamentary Sovereignty

India has a:

Parliamentary Form of Government

but does not follow:

Absolute Parliamentary Sovereignty

in the classical British sense.

Prelims Trap

India follows parliamentary government, therefore Parliament is constitutionally supreme.

False


32. Basic Structure and Preamble

The Preamble contains foundational values such as:

  • Justice
  • Liberty
  • Equality
  • Fraternity
  • Democracy
  • Republic
  • Secularism

The Preamble helps identify:

Constitutional Identity

and has been relevant to Basic Structure jurisprudence.


33. Can the Preamble Be Amended?

Yes.

The Supreme Court has accepted that the Preamble can be amended, subject to:

Basic Structure

The:

42nd Constitutional Amendment Act, 1976

added:

  • Socialist
  • Secular
  • Integrity

to the Preamble.

Prelims Trap

Preamble can never be amended.

False


34. Basic Structure and Directive Principles

Directive Principles are part of:

Part IV

The Supreme Court has emphasised the need for:

Harmony and Balance

between:

Fundamental Rights + Directive Principles

In:

Minerva Mills, 1980

this balance was recognised as constitutionally important.


35. Basic Structure and Federalism

Federalism is recognised as part of:

Basic Structure

The constitutional distribution of powers between:

Union + States

cannot be completely destroyed.

Memory

Federalism → Basic Structure


36. Basic Structure and Secularism

Secularism is recognised as part of:

Basic Structure

The constitutional identity of India cannot be transformed in a manner that:

Destroys Secularism


37. Basic Structure and Democracy

Democracy is a:

Basic Structure Feature

Parliament cannot use Article 368 to establish:

Permanent Authoritarian Rule


38. Basic Structure and Republicanism

India is a:

Republic

The republican form of government is recognised as part of the:

Basic Structure


39. Basic Structure and Rule of Law

Rule of Law means:

Government Power Is Subject to Law

It is an important feature of:

Basic Structure


40. Basic Structure and Separation of Powers

The Constitution distributes power among:

  • Legislature
  • Executive
  • Judiciary

This:

Separation of Powers

is part of the constitutional structure.


41. Basic Structure and Judicial Independence

An independent Judiciary is essential for:

Judicial Review

and:

Constitutional Protection

Therefore:

Judicial Independence → Basic Structure


42. Basic Structure and Free and Fair Elections

Free and fair elections are essential to:

Democracy

They were recognised as an important constitutional feature in:

Indira Gandhi v. Raj Narain, 1975

Memory

Free and Fair Elections → Basic Structure


43. Basic Structure and Limited Amending Power

The power to amend the Constitution is itself:

Limited

This limitation is part of the:

Basic Structure

Important Case

Minerva Mills, 1980


44. Can Parliament Amend Article 368?

Yes.

Article 368 itself can be amended.

But Parliament cannot amend it in a manner that:

Destroys the Basic Structure

Prelims Trap

Article 368 is completely beyond amendment.

False


45. Can Parliament Make Article 368 Unlimited?

No.

An amendment attempting to remove all limitations on Parliament's amending power would violate:

Basic Structure

Memory

Article 368 → Amendable

Unlimited Article 368 → Not Permitted


46. Can Parliament Amend Fundamental Rights?

Yes.

The position after:

Kesavananda Bharati

is that Fundamental Rights can be amended.

However:

Basic Structure Cannot Be Destroyed


47. Can Parliament Abolish Fundamental Rights?

Not in a manner that:

Destroys Basic Structure

The constitutional validity of such an amendment would be tested through:

Basic Structure Review


48. Can Parliament Abolish Judicial Review?

No, not in a manner that destroys the Basic Structure.

Judicial Review is itself recognised as:

Basic Structure


49. Can Parliament Destroy Federalism?

No, not in a manner that destroys the Basic Structure.

Federalism is recognised as a:

Basic Structure Feature


50. Can Parliament Abolish Elections?

An amendment that fundamentally destroys:

Free and Fair Elections

and:

Democratic Government

would raise a Basic Structure violation.

Prelims Memory

Democracy + Free Elections → Basic Structure


51. Is Basic Structure a Separate Constitutional Provision?

No.

It is a:

Judicially Evolved Constitutional Doctrine


52. Is There an Exhaustive List of Basic Structure Features?

No.

The list is:

Open + Non-Exhaustive

The Supreme Court identifies features case by case.


53. Does Basic Structure Protect Every Article?

No.

The doctrine protects:

Essential Constitutional Features

not every individual provision equally.


54. Does Basic Structure Mean the Constitution Is Rigid?

No.

The Constitution can be amended.

The doctrine creates:

Limited Rigidity

rather than:

Complete Rigidity


55. Does Basic Structure Prevent Constitutional Change?

No.

It permits:

Constitutional Evolution

while preventing:

Constitutional Destruction

Memory

Change → Yes

Destruction → No


56. Basic Structure and Parliamentary Majority

A large parliamentary majority does not mean:

Unlimited Constitutional Power

Even a very large majority must comply with:

Basic Structure

Prelims Principle

Political Majority ≠ Constitutional Sovereignty


57. Basic Structure and Judicial Supremacy

The doctrine does not formally establish:

Judicial Supremacy

It establishes:

Constitutional Supremacy

The Judiciary acts as:

Guardian and Interpreter of the Constitution


58. Basic Structure and Constitutional Supremacy

Constitutional Supremacy

Constitution Is Supreme

Basic Structure

Essential Constitutional Features Cannot Be Destroyed

Relationship

Constitutional Supremacy → Broad Principle

Basic Structure → Judicial Limitation on Amendment


59. Basic Structure and Parliamentary Power

Parliament has:

Legislative Power

and:

Constitutional Amendment Power

But neither is:

Unlimited

Memory

Parliament → Powerful

Constitution → Supreme


60. Basic Structure and Judicial Review of Amendments

Constitutional amendments can be reviewed when they are challenged as:

Basic Structure Violations

This is an important feature of:

Constitutional Supremacy


61. Important Case Timeline

1951

Shankari Prasad

↓

Amending Power Upheld

1965

Sajjan Singh

↓

Amending Power Reaffirmed

1967

Golaknath

↓

Fundamental Rights Amendment Restricted

1973

Kesavananda Bharati

↓

Basic Structure Doctrine

1975

Indira Gandhi v. Raj Narain

↓

Free and Fair Elections

1980

Minerva Mills

↓

Limited Amending Power + Judicial Review

1981

Waman Rao

↓

24 April 1973 Cut-Off

1994

S.R. Bommai

↓

Federalism + Secularism

2007

I.R. Coelho

↓

Ninth Schedule Review

Master Memory

1951 → Amendment

1965 → Reaffirmed

1967 → Golaknath

1973 → Basic Structure

1975 → Elections

1980 → Limited Power

1981 → Ninth Schedule Cut-Off

1994 → Federalism + Secularism

2007 → Ninth Schedule Review


62. UPSC Prelims Trap — Case and Doctrine

Kesavananda Bharati → Basic Structure

Minerva Mills → Limited Amending Power

Indira Gandhi → Free and Fair Elections

Waman Rao → 24 April 1973 Cut-Off

S.R. Bommai → Federalism + Secularism

I.R. Coelho → Ninth Schedule Review


63. UPSC Prelims Trap — Article and Concept

Article 368 → Constitutional Amendment

Article 31B → Ninth Schedule

Part XX → Amendment of Constitution

Article 13 → Laws inconsistent with Fundamental Rights

Article 32 → Constitutional Remedies

Article 226 → High Court Writ Jurisdiction


64. UPSC Prelims Trap — Amendment Procedure

Not every constitutional change uses the same procedure.

Broadly:

Simple Majority

Special Majority

Special Majority + State Ratification

The Basic Structure Doctrine applies to:

Constitutional Amendments

that fall within the amendment framework and are challenged on structural grounds.


65. UPSC Prelims Trap — Simple Majority

Certain constitutional changes can be made by:

Simple Majority of Parliament

Such changes are generally outside the formal Article 368 amendment procedure.

Examples include certain matters under:

Articles 2, 3 and 169

Memory

Articles 2 + 3 + 169 → Simple Majority


66. UPSC Prelims Trap — Special Majority

The standard special majority under Article 368 requires:

Majority of Total Membership of Each House

AND:

Two-Thirds of Members Present and Voting

Formula

Special Majority = Majority of Total Membership + 2/3 Present and Voting


67. UPSC Prelims Trap — State Ratification

Certain federal provisions require:

Special Majority of Parliament

plus:

Ratification by at least half of the State Legislatures

Important

It requires:

At Least Half

not:

Two-Thirds of States


68. UPSC Prelims Trap — Joint Sitting

There is:

No Joint Sitting

for a Constitutional Amendment Bill.

Lok Sabha and Rajya Sabha must separately pass it according to the required majority.

Memory

Constitutional Amendment Bill → No Joint Sitting


69. UPSC Prelims Trap — President

After a Constitutional Amendment Bill has been duly passed under Article 368:

The President Shall Give Assent

The President does not have the ordinary discretionary power to withhold assent from a properly passed Constitutional Amendment Bill.

Memory

Article 368 → President Shall Give Assent


70. UPSC Prelims Trap — State Legislatures

State Legislatures cannot:

Introduce Constitutional Amendment Bills

A Constitutional Amendment Bill can be introduced only in:

Parliament

Where ratification is required, State Legislatures participate after Parliament passes the Bill.


71. UPSC Prelims Trap — Basic Structure vs Ordinary Law

An ordinary law can be invalidated for violating:

Constitutional Provisions

A Constitutional Amendment can be invalidated for:

Basic Structure Violation

Memory

Ordinary Law → Constitutional Review

Amendment → Basic Structure Review


72. UPSC Prelims Trap — Preamble

The Preamble:

Can Be Amended

but:

Cannot Be Amended in a Way That Destroys Basic Structure

Important

The 42nd Amendment added:

Socialist + Secular + Integrity


73. UPSC Prelims Trap — Basic Structure and DPSP

Directive Principles are:

Not Enforceable by Courts

but:

Constitutionally Important

The Constitution seeks:

Harmony Between Fundamental Rights and Directive Principles

This balance was strongly emphasised in:

Minerva Mills


74. UPSC Prelims Trap — Ninth Schedule

Remember

Ninth Schedule → Article 31B

Created → First Amendment, 1951

Historical Purpose → Land Reform Protection

Waman Rao → 24 April 1973 Cut-Off

I.R. Coelho → Post-1973 Review


75. UPSC Prelims Trap — 42nd Amendment

The:

42nd Constitutional Amendment Act, 1976

attempted to significantly expand Parliament's amending power.

It inserted:

Article 368(4)

and:

Article 368(5)

to restrict judicial review and declare broad amending power.

These provisions were struck down in:

Minerva Mills

Memory

42nd Amendment → Attempted Unlimited Amending Power

Minerva Mills → Struck Down


76. UPSC Prelims Trap — 24th Amendment

The:

24th Constitutional Amendment Act, 1971

strengthened Parliament's constitutional amendment power.

It also made:

Presidential Assent Mandatory

for Constitutional Amendment Bills.

It was part of the constitutional background to:

Kesavananda Bharati


77. UPSC Prelims Trap — 25th Amendment

The:

25th Constitutional Amendment Act, 1971

introduced:

Article 31C

and attempted to give greater protection to certain Directive Principles over specified Fundamental Rights.

Its provisions became important in:

Kesavananda Bharati

and:

Minerva Mills


78. Important Constitutional Amendments — Quick Facts

1st Amendment, 1951 → Ninth Schedule + Article 31B

24th Amendment, 1971 → Strengthened Amending Power

25th Amendment, 1971 → Article 31C

42nd Amendment, 1976 → Major Constitutional Changes

44th Amendment, 1978 → Reversed several Emergency-era changes

Prelims Memory

1st → Ninth Schedule

24th → Amendment Power

25th → Article 31C

42nd → Major Expansion

44th → Corrective Changes


79. Basic Structure — Statement-Based Questions

Statement

"Parliament cannot amend the Constitution."

False


Statement

"Parliament can amend every part of the Constitution without limitation."

False


Statement

"Basic Structure is expressly mentioned in Article 368."

False


Statement

"Basic Structure was established in Kesavananda Bharati."

True


Statement

"The Basic Structure Doctrine prevents all constitutional amendments."

False


Statement

"Judicial Review is part of Basic Structure."

True


Statement

"Federalism is recognised as part of Basic Structure."

True


Statement

"Secularism is recognised as part of Basic Structure."

True


Statement

"There is an exhaustive list of Basic Structure features."

False


Statement

"Limited Amending Power is part of Basic Structure."

True


80. High-Probability UPSC Traps

Trap A

Basic Structure = No Constitutional Amendment

False

Trap B

Basic Structure = Every Article Is Unamendable

False

Trap C

Basic Structure = Express Constitutional Provision

False

Trap D

Basic Structure = Judicial Supremacy

False

Trap E

Basic Structure = Parliamentary Power Completely Removed

False

Trap F

Basic Structure = Exhaustive List

False

Trap G

Basic Structure = Only Fundamental Rights

False

Trap H

Basic Structure = Only Judiciary Can Change Constitution

False

Trap I

Basic Structure = Ninth Schedule Abolished

False

Trap J

Basic Structure = Preamble Cannot Be Amended

False


81. One-Line Case Revision

Shankari Prasad, 1951 → Amendment Power Upheld

Sajjan Singh, 1965 → Amendment Power Reaffirmed

Golaknath, 1967 → Fundamental Rights Amendment Restricted

Kesavananda Bharati, 1973 → Basic Structure

Indira Gandhi, 1975 → Free and Fair Elections

Minerva Mills, 1980 → Limited Amending Power

Waman Rao, 1981 → 24 April 1973 Cut-Off

S.R. Bommai, 1994 → Federalism + Secularism

I.R. Coelho, 2007 → Ninth Schedule Review


82. One-Line Article Revision

Article 13 → Judicial Review of Laws Inconsistent with Fundamental Rights

Article 31B → Ninth Schedule

Article 32 → Constitutional Remedies

Article 226 → High Court Writ Jurisdiction

Article 368 → Constitutional Amendment


83. One-Line Amendment Revision

1st Amendment → Ninth Schedule

24th Amendment → Parliament's Amending Power

25th Amendment → Article 31C

42nd Amendment → Attempt to Expand Amending Power

44th Amendment → Post-Emergency Constitutional Corrections


84. One-Minute Revision

Doctrine

Basic Structure

Established

Kesavananda Bharati, 1973

Bench

13 Judges

Article

368

Main Principle

Amend → Yes

Destroy → No

Major Features

Democracy

Federalism

Secularism

Judicial Review

Rule of Law

Separation of Powers

Judicial Independence

Free and Fair Elections

Limited Amending Power

Key Cases

Minerva Mills → Limited Power

Waman Rao → Cut-Off

I.R. Coelho → Ninth Schedule Review


85. Final Prelims Master Table

TopicCorrect Fact
Basic StructureJudicially evolved doctrine
EstablishedKesavananda Bharati, 1973
Bench13 Judges
Article368
PartXX
Parliament's PowerWide but limited
Basic Structure ListNon-exhaustive
Judicial ReviewBasic Structure
FederalismBasic Structure
SecularismBasic Structure
DemocracyBasic Structure
Rule of LawBasic Structure
Separation of PowersBasic Structure
Limited Amending PowerBasic Structure
Ninth ScheduleArticle 31B
Ninth Schedule CreatedFirst Amendment, 1951
Waman Rao1981
Important Cut-Off24 April 1973
I.R. Coelho2007
I.R. Coelho Bench9 Judges
Minerva Mills1980
Free and Fair ElectionsIndira Gandhi v. Raj Narain
Federalism + SecularismS.R. Bommai
Joint SittingNot available for Constitutional Amendment Bill
State RatificationAt least half, where required
PresidentShall give assent after proper passage
PreambleCan be amended subject to Basic Structure

86. Final Master Memory

1951 → First Amendment → Ninth Schedule

1971 → 24th Amendment → Strengthened Amendment Power

1971 → 25th Amendment → Article 31C

1973 → Kesavananda → Basic Structure

1975 → Indira Gandhi → Free and Fair Elections

1976 → 42nd Amendment → Attempted Expansion of Amending Power

1980 → Minerva Mills → Limited Amending Power

1981 → Waman Rao → 24 April 1973 Cut-Off

1994 → S.R. Bommai → Federalism + Secularism

2007 → I.R. Coelho → Ninth Schedule Review

Ultimate UPSC Formula

Article 368

↓

Parliament's Amending Power

↓

Kesavananda Bharati

↓

Basic Structure Doctrine

↓

Parliament Can Amend

↓

Parliament Cannot Destroy Basic Structure

↓

Minerva Mills

↓

Limited Amending Power

↓

Waman Rao

↓

24 April 1973 Cut-Off

↓

I.R. Coelho

↓

Ninth Schedule Review

Final Prelims Rule

Basic Structure is NOT:

No Amendment

Every Article Unamendable

Expressly Written

Exhaustive List

Judicial Supremacy

Basic Structure IS:

A Judicially Evolved Limitation

On Parliament's Amending Power

To Protect Essential Constitutional Features

Final Memory

Kesavananda → Basic Structure

Minerva Mills → Limited Power

Waman Rao → Date

I.R. Coelho → Ninth Schedule

Article 368 → Amendment

Constitution → Supreme