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Important Constitutional Amendments for UPSC

UPSC Civil Services• POLITY• Amendment of the Constitution• Important Constitutional Amendments for UPSC
Provides a UPSC-focused list of the most important Constitutional Amendments, covering their amendment numbers, years, major provisions, constitutional Articles, Supreme Court relevance, reservation-related amendments, local government, GST, emergency safeguards, anti-defection, education, federalism, women's reservation, Prelims traps and high-yield memory formulas.

Important Constitutional Amendments for UPSC

Introduction

The Indian Constitution has been amended many times to respond to changing political, social, economic and administrative requirements.

For UPSC, it is not necessary to memorise every Constitutional Amendment.

The focus should be on amendments that significantly changed:

  • Fundamental Rights
  • Directive Principles of State Policy
  • Fundamental Duties
  • Parliament and State Legislatures
  • Judiciary
  • Federalism
  • Local Government
  • Emergency provisions
  • Elections
  • Reservation
  • Constitutional institutions
  • Governance and administration

UPSC Strategy

Remember:

Amendment Number + Year + Key Provision + UPSC Significance

1. First Constitutional Amendment Act, 1951

The First Amendment was an important early amendment to the Constitution.

Major Changes

It introduced:

Article 15(4)

which enabled special provisions for:

  • Socially and educationally backward classes
  • Scheduled Castes
  • Scheduled Tribes

It also introduced:

Articles 31A and 31B

and created the:

Ninth Schedule

Other Important Change

It modified the scope of:

Freedom of Speech and Expression

by expanding the grounds for reasonable restrictions.

UPSC Significance

1st Amendment → Article 15(4) + Ninth Schedule + Reasonable Restrictions

2. Seventh Constitutional Amendment Act, 1956

The Seventh Amendment was closely connected with the:

States Reorganisation

It implemented major changes following the States Reorganisation Commission.

Major Changes

It:

  • Reorganised States and Union Territories
  • Abolished the old classification of States into Part A, Part B, Part C and Part D
  • Introduced the present broad constitutional framework of States and Union Territories
  • Made important changes relating to High Courts and administrative arrangements

UPSC Significance

7th Amendment → States Reorganisation

3. Twenty-Fourth Constitutional Amendment Act, 1971

The 24th Amendment was a response to the:

Golaknath judgment, 1967

Major Changes

It:

  • Affirmed Parliament's power to amend the Constitution
  • Strengthened Parliament's constituent power under Article 368
  • Added Article 13(4)
  • Made the President's assent mandatory for a Constitutional Amendment Bill duly passed under Article 368

UPSC Significance

24th Amendment → Parliament's Amending Power

4. Twenty-Fifth Constitutional Amendment Act, 1971

The 25th Amendment modified the:

Right to Property

and introduced:

Article 31C

Major Change

It sought to give precedence to certain Directive Principles over Fundamental Rights in specified circumstances.

It was closely connected with the constitutional conflict that eventually reached the Supreme Court in:

Kesavananda Bharati

UPSC Significance

25th Amendment → Article 31C + DPSP vs Fundamental Rights

5. Twenty-Sixth Constitutional Amendment Act, 1971

The 26th Amendment abolished the:

Privy Purse

and ended the official recognition of:

Former rulers of princely States

UPSC Significance

26th Amendment → Abolition of Privy Purse

6. Thirty-Sixth Constitutional Amendment Act, 1975

The 36th Amendment made:

Sikkim

a full-fledged State of India.

It became:

The 22nd State of India

Major Change

It inserted:

Article 371F

containing special provisions for Sikkim.

UPSC Significance

36th Amendment → Sikkim becomes a State + Article 371F

7. Forty-Second Constitutional Amendment Act, 1976

The 42nd Amendment is known as:

Mini-Constitution

It was one of the most extensive Constitutional Amendments.

Major Changes

It added three words to the Preamble:

  • Socialist
  • Secular
  • Integrity

Fundamental Duties

It inserted:

Part IVA

containing:

Article 51A

and Fundamental Duties.

Directive Principles

It expanded the Directive Principles.

Judiciary and Parliament

It attempted to:

  • Strengthen Parliament's position
  • Reduce judicial review
  • Expand the role of Directive Principles
  • Increase centralising tendencies

Several important provisions were later modified or struck down.

UPSC Significance

42nd Amendment → Mini-Constitution + Socialist + Secular + Integrity + Fundamental Duties

8. Forty-Fourth Constitutional Amendment Act, 1978

The 44th Amendment was introduced after the Emergency period.

It reversed or modified several provisions introduced during the Emergency.

Right to Property

It removed:

Right to Property

from the list of Fundamental Rights.

It became a:

Constitutional Legal Right

under:

Article 300A

Emergency

It introduced important safeguards relating to:

National Emergency

For example, the term:

"armed rebellion"

replaced:

"internal disturbance"

as a ground for National Emergency.

Fundamental Rights During Emergency

The amendment strengthened safeguards relating to:

  • Article 20
  • Article 21

These rights cannot be suspended even during an Emergency.

UPSC Significance

44th Amendment → Right to Property + Emergency Safeguards

9. Fifty-Second Constitutional Amendment Act, 1985

The 52nd Amendment introduced the:

Anti-Defection Law

It inserted:

Tenth Schedule

into the Constitution.

Purpose

To prevent elected representatives from changing political parties in a manner that undermines political stability.

UPSC Significance

52nd Amendment → Anti-Defection Law + Tenth Schedule

10. Sixty-First Constitutional Amendment Act, 1988

The 61st Amendment reduced the voting age from:

21 years → 18 years

It amended:

Article 326

UPSC Significance

61st Amendment → Voting Age 18

11. Sixty-Ninth Constitutional Amendment Act, 1991

The 69th Amendment gave special constitutional status to:

National Capital Territory of Delhi

It inserted:

Article 239AA

and:

Article 239AB

Major Change

Delhi became:

National Capital Territory

with a:

Legislative Assembly

and:

Council of Ministers

subject to constitutional limitations.

UPSC Significance

69th Amendment → Delhi + Article 239AA

12. Seventy-Third Constitutional Amendment Act, 1992

The 73rd Amendment constitutionalised:

Panchayati Raj Institutions

It inserted:

Part IX

and:

Eleventh Schedule

Major Features

It provided for:

  • Gram Sabha
  • Three-tier Panchayati Raj system
  • Regular elections
  • Reservation for SCs and STs
  • Reservation of at least one-third seats for women
  • State Election Commission
  • State Finance Commission
  • Five-year tenure

UPSC Significance

73rd Amendment → Panchayats + Part IX + 11th Schedule

13. Seventy-Fourth Constitutional Amendment Act, 1992

The 74th Amendment constitutionalised:

Urban Local Government

It inserted:

Part IXA

and:

Twelfth Schedule

Major Features

It provided a constitutional framework for:

  • Municipal Corporations
  • Municipal Councils
  • Nagar Panchayats

It also provided for:

  • Regular elections
  • Reservation
  • State Election Commission
  • State Finance Commission
  • Urban planning institutions

UPSC Significance

74th Amendment → Municipalities + Part IXA + 12th Schedule

14. Eighty-Sixth Constitutional Amendment Act, 2002

The 86th Amendment introduced the:

Right to Education

as a Fundamental Right.

It inserted:

Article 21A

Major Provision

The State must provide free and compulsory education to children in the age group:

6–14 years

Related Changes

It also modified:

Article 45

and added a Fundamental Duty under:

Article 51A(k)

requiring parents or guardians to provide opportunities for education to children in the specified age group.

UPSC Significance

86th Amendment → Article 21A + Right to Education

15. Ninety-First Constitutional Amendment Act, 2003

The 91st Amendment strengthened the:

Anti-Defection Framework

Major Change

It limited the size of:

Council of Ministers

to:

15% of the total strength of the House

For States, the Council of Ministers cannot be less than:

12 members

Other Change

A person disqualified under the Anti-Defection Law cannot be appointed as a Minister for the specified period under the constitutional framework.

UPSC Significance

91st Amendment → Council of Ministers capped at 15% + Anti-Defection strengthening

16. Ninety-Third Constitutional Amendment Act, 2005

The 93rd Amendment inserted:

Article 15(5)

It enabled the State to make special provisions for the advancement of:

Socially and Educationally Backward Classes

or:

SCs and STs

in relation to admission to educational institutions, including:

Private Educational Institutions

subject to constitutional limitations.

Important Exception

The provision does not apply to:

Minority Educational Institutions

protected under:

Article 30(1)

UPSC Significance

93rd Amendment → Article 15(5) + Educational Reservation

17. Ninety-Seventh Constitutional Amendment Act, 2011

The 97th Amendment related to:

Co-operative Societies

It gave constitutional recognition to co-operative societies.

It:

  • Added the word "co-operative" to Article 19(1)(c)
  • Inserted Article 43B
  • Added Part IXB

Supreme Court Development

The Supreme Court later struck down the amendment insofar as it applied to State co-operative societies without the required State ratification.

UPSC Significance

97th Amendment → Co-operative Societies

18. One Hundredth Constitutional Amendment Act, 2015

The 100th Amendment gave effect to the:

India-Bangladesh Land Boundary Agreement

and related arrangements.

Major Change

It dealt with:

Exchange of certain enclaves and boundary adjustments

between India and Bangladesh.

UPSC Significance

100th Amendment → India-Bangladesh Land Boundary Agreement

19. One Hundred and First Constitutional Amendment Act, 2016

The 101st Amendment introduced:

Goods and Services Tax (GST)

Major Changes

It created the constitutional framework for:

GST

It introduced:

Article 246A

giving Parliament and State Legislatures power to make GST laws, subject to constitutional provisions.

It also introduced:

Article 269A

relating to inter-State GST.

It created the:

GST Council

under:

Article 279A

UPSC Significance

101st Amendment → GST + Articles 246A, 269A, 279A

20. One Hundred and Second Constitutional Amendment Act, 2018

The 102nd Amendment gave constitutional status to the:

National Commission for Backward Classes

It inserted:

Article 338B

and:

Article 342A

and added:

Article 366(26C)

Important Development

The amendment became central to the constitutional debate over the identification of:

Socially and Educationally Backward Classes

The Supreme Court later clarified the role of States in identifying SEBCs.

UPSC Significance

102nd Amendment → NCBC + Article 338B + Article 342A

21. One Hundred and Third Constitutional Amendment Act, 2019

The 103rd Amendment introduced:

10% reservation for Economically Weaker Sections (EWS)

It inserted:

Articles 15(6) and 16(6)

Major Feature

The reservation is available to:

Economically Weaker Sections

who are not covered by the existing reservation categories, subject to constitutional and statutory conditions.

Supreme Court

The Supreme Court upheld the constitutional validity of the EWS reservation in:

Janhit Abhiyan v. Union of India, 2022

UPSC Significance

103rd Amendment → 10% EWS Reservation + Articles 15(6), 16(6)

22. One Hundred and Fourth Constitutional Amendment Act, 2020

The 104th Amendment:

Extended reservation of seats for:

SCs and STs

in the Lok Sabha and State Legislative Assemblies for another period.

At the same time, it ended the provision for:

Nomination of Anglo-Indian members

to the Lok Sabha and State Legislative Assemblies.

UPSC Significance

104th Amendment → SC/ST Political Reservation Extended + Anglo-Indian Nomination Ended

23. One Hundred and Fifth Constitutional Amendment Act, 2021

The 105th Amendment clarified the power of:

State Governments

and:

Union Territories with legislatures

to identify and specify:

Socially and Educationally Backward Classes

for their own purposes.

Background

It followed the constitutional interpretation arising from the:

102nd Amendment

and:

Maratha Reservation Case

UPSC Significance

105th Amendment → States' Power to Identify SEBCs

24. One Hundred and Sixth Constitutional Amendment Act, 2023

The 106th Amendment is popularly associated with:

Women's Reservation

It provides for reservation of seats for women in:

  • Lok Sabha
  • State Legislative Assemblies
  • Legislative Assembly of the National Capital Territory of Delhi

Reservation

It provides for:

One-third reservation for women

including within the seats reserved for:

SCs and STs

Important Constitutional Provisions

It inserted:

Article 330A

Article 332A

and:

Article 334A

Important Point

The implementation of the reservation is linked to:

Delimitation

after the relevant census process.

UPSC Significance

106th Amendment → Women's Reservation + 1/3 Seats

25. Amendments Related to Reservation — Quick Revision

1st Amendment

Article 15(4)

→ Special provisions for backward classes, SCs and STs

73rd Amendment

Panchayats

→ Reservation including women

74th Amendment

Municipalities

→ Reservation including women

77th Amendment

Article 16(4A)

→ Reservation in promotion for SCs and STs

81st Amendment

Article 16(4B)

→ Backlog vacancies

82nd Amendment

Article 335

→ Relaxation in qualifying marks / standards for SCs and STs in certain matters

85th Amendment

Consequential seniority

→ Reservation in promotion

93rd Amendment

Article 15(5)

→ Educational institutions

102nd Amendment

NCBC

103rd Amendment

EWS

105th Amendment

State power to identify SEBCs

106th Amendment

Women's reservation in legislatures

26. Amendments Related to Local Government

73rd Amendment

Panchayats

→ Part IX

→ Eleventh Schedule

74th Amendment

Municipalities

→ Part IXA

→ Twelfth Schedule

Memory

73 → Rural

74 → Urban

27. Amendments Related to Fundamental Rights

Important amendments include:

1st Amendment

Article 15(4)

→ Backward Classes, SCs and STs

24th Amendment

Parliament's Amending Power

25th Amendment

Article 31C

44th Amendment

Right to Property removed from Fundamental Rights

77th Amendment

Article 16(4A)

81st Amendment

Article 16(4B)

85th Amendment

Consequential Seniority

86th Amendment

Article 21A

93rd Amendment

Article 15(5)

103rd Amendment

Articles 15(6) and 16(6)

28. Amendments Related to Parliament and Elections

42nd Amendment

Major constitutional restructuring

52nd Amendment

Anti-Defection Law

61st Amendment

Voting Age 18

91st Amendment

Council of Ministers 15%

104th Amendment

SC/ST Political Reservation Extended

106th Amendment

Women's Reservation

29. Amendments Related to Federalism

Important amendments affecting federal arrangements include:

7th Amendment

States Reorganisation

36th Amendment

Sikkim as State

69th Amendment

Delhi as National Capital Territory

101st Amendment

GST and Cooperative Federalism

105th Amendment

State power to identify SEBCs

30. Amendments Related to Emergency and Constitutional Safeguards

42nd Amendment

Expanded centralising provisions and altered several constitutional arrangements.

44th Amendment

Introduced important safeguards after the Emergency.

Important changes included:

  • "Armed rebellion" replacing "internal disturbance"
  • Protection of Articles 20 and 21 during Emergency
  • Changes to the procedure for National Emergency
  • Right to Property removed from Fundamental Rights

Memory

42nd → Centralisation

44th → Safeguards

31. Most Important Amendments for UPSC

If time is limited, prioritise these:

AmendmentYearKey Point
1st1951Article 15(4), Ninth Schedule
7th1956States Reorganisation
24th1971Parliament's amending power
25th1971Article 31C
26th1971Privy Purse abolished
36th1975Sikkim becomes State
42nd1976Mini-Constitution
44th1978Emergency safeguards, Right to Property
52nd1985Anti-Defection
61st1988Voting age 18
69th1991Delhi, Article 239AA
73rd1992Panchayats
74th1992Municipalities
86th2002Right to Education
91st200315% Council of Ministers
93rd2005Article 15(5)
97th2011Co-operative Societies
101st2016GST
102nd2018NCBC
103rd2019EWS reservation
104th2020SC/ST reservation extension
105th2021States' SEBC identification
106th2023Women's reservation

32. High-Yield Amendment Numbers

1st

15(4) + Ninth Schedule

7th

States Reorganisation

24th

Amending Power

25th

Article 31C

26th

Privy Purse

36th

Sikkim

42nd

Mini-Constitution

44th

Emergency Safeguards + Right to Property

52nd

Anti-Defection

61st

Voting Age 18

69th

Delhi

73rd

Panchayats

74th

Municipalities

86th

Right to Education

91st

15% Ministry Limit

93rd

Article 15(5)

101st

GST

102nd

NCBC

103rd

EWS

105th

State SEBC Power

106th

Women's Reservation

33. UPSC Prelims Traps

Trap 1

The 42nd Amendment is known as the Mini-Constitution.

True

Trap 2

The 44th Amendment introduced Fundamental Duties.

False

Fundamental Duties were introduced by:

42nd Amendment

Trap 3

The 44th Amendment abolished the Right to Property completely.

False

It removed it from Fundamental Rights and made it a:

Constitutional Legal Right under Article 300A

Trap 4

The 52nd Amendment introduced the Ninth Schedule.

False

The Ninth Schedule was introduced by:

1st Amendment

The 52nd Amendment introduced the:

Tenth Schedule

Trap 5

The 61st Amendment reduced the voting age from 21 to 18.

True

Trap 6

The 73rd Amendment deals with Municipalities.

False

73rd → Panchayats

74th → Municipalities

Trap 7

The 86th Amendment introduced Article 21A.

True

Trap 8

The 101st Amendment introduced GST.

True

Trap 9

The 103rd Amendment introduced reservation for OBCs.

False

The 103rd Amendment introduced:

EWS reservation

Trap 10

The 102nd Amendment gave constitutional status to the National Commission for Backward Classes.

True

Trap 11

The 105th Amendment introduced the NCBC.

False

The:

102nd Amendment

gave constitutional status to the NCBC.

The:

105th Amendment

clarified State power to identify SEBCs.

Trap 12

The 106th Amendment immediately implemented one-third reservation for women in legislatures.

Not exactly

Its implementation is linked to:

Delimitation

following the relevant census process.

34. Amendment Number Memory Chain

For rapid revision:

1 → Reservation + Ninth Schedule

7 → States

24 → Amending Power

25 → Article 31C

26 → Privy Purse

36 → Sikkim

42 → Mini-Constitution

44 → Emergency Safeguards

52 → Anti-Defection

61 → Voting Age

69 → Delhi

73 → Panchayats

74 → Municipalities

86 → Education

91 → Ministry Size

93 → Educational Reservation

101 → GST

102 → NCBC

103 → EWS

105 → State SEBC Power

106 → Women

35. Mains Relevance

Constitutional Amendments demonstrate that the Indian Constitution is:

Neither completely rigid nor completely flexible.

Different amendment procedures allow Parliament to respond to changing circumstances while protecting constitutional stability.

Important amendments have strengthened:

Social Justice

through reservation provisions,

Democratic Decentralisation

through Panchayats and Municipalities,

Economic Federalism

through GST,

Educational Rights

through Article 21A,

Political Stability

through the Anti-Defection Law,

and:

Gender Representation

through the Women's Reservation framework.

At the same time, amendments such as the:

42nd and 44th Amendments

demonstrate the importance of maintaining a balance between constitutional change and constitutional safeguards.

The amendment process therefore reflects:

Constitutional Adaptability + Democratic Change + Federalism + Social Justice + Constitutional Continuity

36. Final Revision Formula

1st → Reservation + Ninth Schedule

7th → States Reorganisation

24th → Amending Power

25th → Article 31C

26th → Privy Purse

36th → Sikkim

42nd → Mini-Constitution + Fundamental Duties

44th → Emergency Safeguards + Article 300A

52nd → Anti-Defection

61st → Voting Age 18

69th → Delhi

73rd → Panchayats

74th → Municipalities

86th → Right to Education

91st → 15% Ministry Limit

93rd → Article 15(5)

101st → GST

102nd → NCBC

103rd → EWS

105th → State SEBC Power

106th → Women's Reservation