StudyPulse
StudyPulse.online
CoursesExam Information Hub
← Back to UPSC Civil Services Notes

Important Acts and Amendments — Complete Revision

UPSC Civil Services• POLITY• Important Acts and Constitutional Developments• Important Acts and Amendments — Complete Revision
# Important Acts and Amendments — Complete Revision ## 1. Constitutional Basics Article 368 → Constitutional amendment. Basic Structure → Parliament cannot destroy core constitutional identity. # 2. Amendment Master List 1st → Social justice + land reform. 7th → States reorganisation. 24th → Amendment power. 25th → Article 31C. 26th → Privy purses. 42nd → Mini-Constitution. 44th → Emergency safeguards. 52nd → Anti-defection. 61st → Voting age 18. 69th → Delhi NCT. 73rd → Panchayats. 74th → Municipalities. 86th → Article 21A. 91st → Anti-defection strengthening. 97th → Cooperatives. 101st → GST. 102nd → NCBC. 103rd → EWS. 104th → SC/ST political reservation to 2030. 105th → State/UT SEBC lists. 106th → Women's legislative reservation. # 3. Act Master List RPA 1950 → Electoral rolls. RPA 1951 → Conduct of elections. Presidential/VP Elections Act → President + VP elections. Delimitation Act → Constituencies. RTI Act → Information. Lokpal Act → Anti-corruption. CVC Act → Vigilance. MGNREGA → Employment. RTE Act → Education. NFSA → Food. PESA → Tribal self-government. FRA → Forest rights. RPwD Act → Disability rights. Transgender Persons Act → Equality/dignity. UAPA → Security. NSA → Preventive detention. FCRA → Foreign contribution. IT Act → Cyber governance. DPDP Act → Data. Water Act → Water pollution. Air Act → Air pollution. EPA → Environment. Biodiversity Act → Biodiversity. NGT Act → Environmental adjudication. Disaster Management Act → Disaster governance. # 4. Fundamental Rights Map 14 → Equality. 19 → Freedoms. 21 → Life/liberty/privacy. 21A → Education. 23 → Forced labour/trafficking. 24 → Child labour. 25–28 → Religion. 29–30 → Cultural/minority rights. # 5. Federalism Map 7th → States. 69th → Delhi. 73rd → Rural local government. 74th → Urban local government. 101st → Fiscal federalism. 105th → State SEBC authority. # 6. Governance Map RTI → Transparency. CVC → Vigilance. Lokpal → Anti-corruption. CAG → Audit. MGNREGA → Employment. RTE → Education. NFSA → Food. # 7. Local Government Map 73rd → Panchayat. 74th → Municipality. PESA → Scheduled Areas. FRA → Forest governance. 243I → State Finance Commission. 243K → State Election Commission. 243Y → Municipal finance recommendations. 243ZA → Municipal elections. 243ZD → DPC. 243ZE → MPC. # 8. Most Important Judicial Cases Kesavananda → Basic Structure. Maneka Gandhi → Fair procedure. Minerva Mills → FR-DPSP balance. Kihoto Hollohan → Anti-defection. S.R. Bommai → Federalism. Indra Sawhney → Reservation. Puttaswamy → Privacy. Shreya Singhal → Online speech. Rajendra N. Shah → Cooperatives. Mohit Minerals → GST Council. Janhit Abhiyan → EWS. # 9. Constitutional vs Statutory ### Constitutional - ECI. - CAG. - Finance Commission. - UPSC. - NCSC. - NCST. - NCBC. - SEC. ### Statutory - CIC. - CVC. - Lokpal. - NHRC. - NGT. # 10. Numerical Revision 6–14 → Education. 18 → Voting age. 25 → Lok Sabha/Assembly candidate age. 30 → Rajya Sabha/Council candidate age. 15% → Council of Ministers cap. 10% → EWS. 29 → Eleventh Schedule. 18 → Twelfth Schedule. 3 lakh → Ward Committee threshold. 20 lakh → Intermediate Panchayat exception. 2030 → SC/ST legislative reservation endpoint. # 11. Top 20 Traps RPA 1950 ≠ RPA 1951. ECI ≠ SEC. Constitutional body ≠ Statutory body. RTE ≠ Article 21A. PESA ≠ 73rd Amendment. UAPA ≠ NSA. RTI ≠ Fundamental Right created by Act. Section 66A ≠ Valid law. GST Council ≠ Parliament. GST Council recommendations ≠ automatically binding laws. 102nd ≠ 105th. 103rd ≠ 105th. 104th ≠ 106th. Gram Sabha ≠ Gram Panchayat. DPC ≠ MPC. Eleventh Schedule ≠ Twelfth Schedule. 29 ≠ 18. 1/3 split ≠ 2/3 merger. EWS ≠ OBC. Political reservation ≠ employment reservation. # Final Revision Formula For every Act/Amendment: > YEAR → PURPOSE → ARTICLE/SCHEDULE → INSTITUTION → KEY PROVISION → LANDMARK CASE → CURRENT STATUS → PRELIMS TRAP. # Ultimate Memory 1 → Social Justice. 7 → States. 24 → Amendment Power. 42 → Mini-Constitution. 44 → Emergency. 52 → Defection. 61 → Vote. 69 → Delhi. 73 → Panchayat. 74 → Municipality. 86 → Education. 91 → Defection Tightening. 97 → Cooperative. 101 → GST. 102 → NCBC. 103 → EWS. 104 → SC/ST. 105 → State SEBC. 106 → Women.

Important Acts and Amendments — Complete Revision

1. Master Concept

Indian governance and constitutional development are shaped by:

Constitution

Constitutional Amendments + Parliamentary Acts + Rules/Orders + Judicial Interpretation + Institutions.

UPSC Golden Rule

Constitutional Amendment ≠ Parliamentary Act ≠ Rules ≠ ECI Order.

2. Constitutional Amendment — Article 368

Three broad mechanisms

  1. Simple majority.
  2. Special majority.
  3. Special majority + ratification by at least half of State Legislatures.

Basic Structure

Parliament's amendment power is broad but not unlimited.

Kesavananda Bharati, 1973

→ Basic Structure Doctrine.

3. Basic Structure — Core Elements

Important judicially recognised principles include:

  • Supremacy of Constitution.
  • Rule of law.
  • Judicial review.
  • Separation of powers.
  • Federalism.
  • Democracy.
  • Republicanism.
  • Secularism.
  • Parliamentary government.
  • Free and fair elections.
  • Dignity and liberty.

Important

There is:

No single exhaustive judicial list.

4. Master Constitutional Amendment Timeline

1st Amendment — 1951

→ Article 15(4).

→ Land reform protections.

→ Ninth Schedule.

→ Reasonable restrictions on certain freedoms.

7th Amendment — 1956

→ States reorganisation.

→ Abolished Part A/B/C/D classification.

→ Union Territories.

→ High Court reorganisation.

24th Amendment — 1971

→ Strengthened Parliament's amendment power.

→ Article 13(4).

→ Article 368 strengthened.

→ Presidential assent made mandatory.

25th Amendment — 1971

→ Article 31C.

→ Socio-economic redistribution.

→ DPSP vs Fundamental Rights debate.

26th Amendment — 1971

→ Abolished Privy Purses.

→ Ended recognition of former rulers.

42nd Amendment — 1976

→ "Mini-Constitution."

→ Socialist.

→ Secular.

→ Integrity.

→ Fundamental Duties.

→ DPSP expansion.

→ Centralising changes.

→ Tribunal provisions.

44th Amendment — 1978

→ Emergency safeguards.

→ "Armed rebellion."

→ Article 20/21 protection.

→ Right to Property moved to Article 300A.

52nd Amendment — 1985

→ Anti-Defection Law.

→ Tenth Schedule.

61st Amendment — 1988

→ Voting age:

21 → 18.

69th Amendment — 1991

→ National Capital Territory of Delhi.

→ Article 239AA.

73rd Amendment — 1992

→ Panchayats.

→ Part IX.

→ Eleventh Schedule.

→ 29 subjects.

74th Amendment — 1992

→ Municipalities.

→ Part IXA.

→ Twelfth Schedule.

→ 18 subjects.

86th Amendment — 2002

→ Article 21A.

→ Education for 6–14 years.

→ Article 45 modified.

→ Article 51A(k).

91st Amendment — 2003

→ Anti-Defection strengthened.

→ One-third split exception removed.

→ Two-thirds merger retained.

→ 15% ministerial cap.

→ Article 361B.

97th Amendment — 2011

→ Cooperative societies.

→ Article 19(1)(c).

→ Article 43B.

→ Part IXB.

Judicial development

Rajendra N. Shah, 2021

→ Part IXB invalid for State cooperatives to the relevant extent due to lack of required State ratification.

101st Amendment — 2016

→ GST.

→ Article 246A.

→ Article 269A.

→ Article 279A.

102nd Amendment — 2018

→ Constitutional status to NCBC.

→ Article 338B.

→ Article 342A.

→ Article 366(26C).

103rd Amendment — 2019

→ EWS.

→ Article 15(6).

→ Article 16(6).

→ Up to 10%.

104th Amendment — 2020

→ SC/ST legislative reservation extended to:

→ Anglo-Indian nominated representation not extended.

105th Amendment — 2021

→ State/UT power to prepare and maintain own SEBC lists.

→ Article 342A framework clarified.

106th Amendment — 2023

→ Women's legislative reservation.

→ Article 330A.

→ Article 332A.

→ Article 334A.

→ Delhi through Article 239AA.

→ Implementation linked to census + delimitation.

5. Important Acts — Master Classification

Election

  • RPA 1950.
  • RPA 1951.
  • Presidential and Vice-Presidential Elections Act, 1952.
  • Delimitation Act, 2002.
  • Election Laws (Amendment) Act, 2021.
  • CEC/ECs Act, 2023.

Transparency

  • RTI Act, 2005.

Anti-Corruption

  • Prevention of Corruption Act, 1988.
  • CVC Act, 2003.
  • Lokpal and Lokayuktas Act, 2013.
  • Whistle Blowers Protection Act, 2014.

Welfare

  • MGNREGA, 2005.
  • RTE Act, 2009.
  • NFSA, 2013.

Local/Tribal Governance

  • PESA, 1996.
  • Forest Rights Act, 2006.
  • Street Vendors Act, 2014.
  • State Panchayati Raj Acts.
  • State Municipal Acts.

Human Rights/Social Justice

  • Protection of Civil Rights Act, 1955.
  • SC/ST Prevention of Atrocities Act, 1989.
  • Protection of Human Rights Act, 1993.
  • RPwD Act, 2016.
  • Transgender Persons Act, 2019.

Security/Liberty

  • UAPA, 1967.
  • National Security Act, 1980.
  • Official Secrets Act, 1923.
  • FCRA, 2010.

Digital Governance

  • IT Act, 2000.
  • Digital Personal Data Protection Act, 2023.

Environment

  • Water Act, 1974.
  • Air Act, 1981.
  • Environment Protection Act, 1986.
  • Biological Diversity Act, 2002.
  • NGT Act, 2010.

Disaster

  • Disaster Management Act, 2005.

Administrative

  • All India Services Act, 1951.
  • Administrative Tribunals Act, 1985.

Federalism

  • States Reorganisation Act, 1956.
  • Inter-State River Water Disputes Act, 1956.
  • River Boards Act, 1956.
  • Multi-State Co-operative Societies Act, 2002.

6. Election Acts

RPA 1950

Electoral rolls + constituency/allocation framework.

Remember

1950 → Electors/Rolls.

RPA 1951

Conduct of elections + candidates + disqualification + corrupt practices + election petitions.

Remember

1951 → Election process.

Section 29A

Registration of political parties.

Section 8

Disqualification on conviction.

Lily Thomas, 2013

→ Former Section 8(4) protection struck down.

7. Presidential and Vice-Presidential Elections Act, 1952

President

Electoral college:

  • Elected MPs of both Houses.
  • Elected MLAs of States.

Excluded

  • Nominated MPs.
  • Legislative Council members.

Vice-President

Electoral college:

Members of both Houses of Parliament.

Trap

State MLAs do not vote in:

Vice-Presidential election.

8. Delimitation Act, 2002

→ Delimitation Commission.

→ Constituency boundaries.

→ Allocation/readjustment framework.

9. Election Laws Amendment Act, 2021

Major themes:

  • Voluntary Aadhaar furnishing for electoral-roll purposes.
  • Four qualifying dates.
  • Service-voter reforms.

10. CEC/ECs Act, 2023

Selection Committee

  • Prime Minister.
  • Union Cabinet Minister nominated by PM.
  • Leader of Opposition in Lok Sabha.

Term

6 years or age 65, whichever earlier.

Important

This is:

Statutory framework.

ECI itself:

Constitutional body under Article 324.

11. RTI Act, 2005

Core

Transparency + accountability.

Institutions

  • CIC.
  • SIC.
  • PIOs.

Important

RTI:

Statutory right.

Information Commissions:

Statutory bodies.

12. MGNREGA, 2005

Core

Legal guarantee of rural wage employment.

Governance

  • Panchayat role.
  • Gram Sabha role.
  • Social audit.

Trap

MGNREGA:

Statutory right,

not:

Fundamental Right.

13. RTE Act, 2009

Constitution

86th Amendment:

Article 21A.

Statute

RTE Act:

Implements Article 21A.

Age

6–14 years.

Section 12(1)(c)

25% entry-level provision in specified private unaided schools.

14. NFSA, 2013

Core

Food and nutritional security.

Nature

Statutory entitlements.

Trap

NFSA:

Does not itself insert a Fundamental Right into Part III.

15. PESA, 1996

Core

Tribal self-governance in Scheduled Areas.

Key institution

Gram Sabha.

Themes

  • Customary institutions.
  • Community resources.
  • Minor forest produce.
  • Land protection.
  • Local development.

16. Forest Rights Act, 2006

Core

Recognition of specified forest rights.

Important

Gram Sabha:

Central to claims process.

Trap

FRA:

Is not merely an individual land-title law.

17. Street Vendors Act, 2014

Core

Livelihood protection + urban planning.

Institution

Town Vending Committee.

18. Anti-Corruption Framework

Prevention of Corruption Act

→ Corruption offences.

CVC Act

→ Vigilance.

Lokpal Act

→ Ombudsman/anti-corruption institution.

Memory

PCA = Offence.

CVC = Vigilance.

Lokpal = Ombudsman.

19. Human Rights Framework

Protection of Human Rights Act, 1993

→ NHRC + SHRC.

Nature

Statutory.

RPwD Act, 2016

→ Disability rights.

Transgender Persons Act, 2019

→ Equality + dignity.

20. Fundamental Rights — Act Map

Article 17 → Protection of Civil Rights Act.

Article 23 → Bonded Labour Act.

Article 24 → Child labour law.

Article 21A → RTE Act.

Article 21/privacy → DPDP framework.

Article 19 → IT Act/UAPA/FCRA and other regulation.

21. Security Laws

UAPA

→ Unlawful activities + terrorism-related offences.

NSA

→ Preventive detention.

Official Secrets Act

→ Sensitive information.

22. UAPA vs NSA

UAPA

Anti-unlawful activities/terrorism framework.

NSA

Preventive detention.

Prelims

Do not merge them.

23. Digital Rights

IT Act, 2000

→ Cyber/electronic governance.

Section 66A

Struck down.

Shreya Singhal, 2015

→ Online speech.

DPDP Act, 2023

→ Digital personal data.

24. Privacy

Puttaswamy, 2017

→ Right to privacy is Fundamental Right.

Important

DPDP Act:

Regulates data.

It did not:

Create privacy as a Fundamental Right.

25. Environment

Water Act, 1974

→ Water pollution.

Air Act, 1981

→ Air pollution.

Environment Protection Act, 1986

→ Broad environmental framework.

Biological Diversity Act, 2002

→ Conservation + sustainable use + benefit sharing.

NGT Act, 2010

→ Environmental adjudication.

26. Disaster Management Act, 2005

Institutions

NDMA → National.

SDMA → State.

DDMA → District.

Governance shift

Relief → Preparedness + mitigation + response + recovery.

27. Federalism — Act Map

States Reorganisation Act, 1956

→ Territorial federalism.

AIS Act, 1951

→ Administrative integration.

Water Disputes Act, 1956

→ Inter-State water disputes.

River Boards Act, 1956

→ River development.

PESA

→ Tribal local governance.

Multi-State Co-operative Societies Act

→ Multi-State cooperation.

GST legislation

→ Fiscal federalism.

28. Local Government — Master Map

73rd Amendment

→ Rural.

74th Amendment

→ Urban.

PESA

→ Scheduled Areas.

MGNREGA

→ Rural development.

FRA

→ Forest/tribal governance.

Street Vendors Act

→ Urban livelihoods.

29. Constitutional Bodies — Final Revision

Constitutional

  • Election Commission.
  • CAG.
  • Finance Commission.
  • UPSC.
  • NCSC.
  • NCST.
  • NCBC.
  • State Election Commissions.

Statutory

  • CIC.
  • CVC.
  • Lokpal.
  • NHRC.
  • NGT.

30. Important Articles — Master Revision

14 → Equality.

15 → Discrimination/special provisions.

16 → Public employment.

17 → Untouchability.

19 → Freedoms.

20 → Criminal protections.

21 → Life/liberty/privacy.

21A → Education.

23 → Trafficking/forced labour.

24 → Child labour.

25–28 → Religion.

29–30 → Cultural/minority rights.

31. Federal Articles

1 → Union of States.

3 → State formation/boundaries.

245–263 → Legislative/admin relations.

246A → GST.

254 → Concurrent-list repugnancy.

256–257 → Union-State administrative directions.

263 → Inter-State Council.

268–293 → Financial relations.

280 → Finance Commission.

32. Local Government Articles

243A → Gram Sabha.

243B → Panchayats.

243D → Reservation.

243E → 5-year term.

243G → Powers.

243I → State Finance Commission.

243K → State Election Commission.

243Q → Municipalities.

243S → Ward Committees.

243T → Reservation.

243U → Term.

243W → Powers.

243Y → State Finance Commission.

243ZA → Municipal elections.

243ZD → DPC.

243ZE → MPC.

33. Major Judicial Chain

Shankari Prasad → Amendment power.

Golaknath → FR amendment controversy.

Kesavananda Bharati → Basic Structure.

ADM Jabalpur → Emergency/liberty.

Maneka Gandhi → Fair procedure.

Minerva Mills → FR-DPSP balance.

Kihoto Hollohan → Anti-Defection.

S.R. Bommai → Federalism.

Indra Sawhney → Reservation.

Puttaswamy → Privacy.

Shreya Singhal → Online speech.

Rajendra N. Shah → Cooperatives/federal ratification.

Mohit Minerals → GST federalism.

Janhit Abhiyan → EWS.

34. Major Act-to-Theme Memory

RPA 1950 → Rolls.

RPA 1951 → Elections.

RTI → Transparency.

Lokpal → Corruption.

CVC → Vigilance.

MGNREGA → Employment.

RTE → Education.

NFSA → Food.

PESA → Tribal self-government.

FRA → Forest rights.

UAPA → National security.

NSA → Preventive detention.

DPDP → Data.

EPA → Environment.

NGT → Environmental justice.

DM Act → Disaster governance.

35. Major Amendment-to-Theme Memory

1st → Social justice.

7th → States.

24th → Amendment power.

25th → 31C.

42nd → Mini-Constitution.

44th → Emergency correction.

52nd → Defection.

61st → Vote 18.

69th → Delhi.

73rd → Panchayats.

74th → Municipalities.

86th → Education.

91st → Defection strengthening.

97th → Cooperatives.

101st → GST.

102nd → NCBC.

103rd → EWS.

104th → SC/ST political reservation.

105th → State SEBC lists.

106th → Women.

36. High-Yield Prelims Numbers

6–14

→ Article 21A.

18

→ Voting age.

25

→ Minimum age for Lok Sabha/Assembly candidate.

30

→ Minimum age for Rajya Sabha/Legislative Council candidate.

15%

→ Maximum Council of Ministers under 91st Amendment.

10%

→ EWS reservation upper constitutional limit.

29

→ Eleventh Schedule.

18

→ Twelfth Schedule.

3 lakh

→ Ward Committee threshold.

20 lakh

→ State may omit intermediate Panchayat tier.

2030

→ SC/ST legislative reservation extended under 104th Amendment.

37. Top 20 Prelims Traps

  1. RPA 1950 vs RPA 1951.
  2. Article 324 vs State Election Commission.
  3. ECI vs SEC.
  4. Constitutional vs statutory bodies.
  5. RTE Act vs Article 21A.
  6. PESA vs 73rd Amendment.
  7. UAPA vs NSA.
  8. RTI vs Fundamental Right.
  9. CIC/NHRC/CVC/Lokpal/NGT status.
  10. Section 66A status.
  11. GST Council status.
  12. GST Council recommendations.
  13. 103rd vs 105th Amendment.
  14. 104th vs 106th Amendment.
  15. 102nd vs 105th Amendment.
  16. 29 vs 18 schedules.
  17. Gram Sabha vs Gram Panchayat.
  18. DPC vs MPC.
  19. 1/3 split vs 2/3 merger.
  20. Constitutional Amendment vs Parliamentary Act.

38. Master Chronology

1950 → RPA 1950.

1951 → 1st Amendment + RPA 1951 + AIS Act.

1952 → President/VP Elections Act.

1955 → Protection of Civil Rights Act.

1956 → 7th Amendment + States Reorganisation + Water/ River Acts.

1967 → UAPA.

1971 → 24th + 25th + 26th.

1974 → Water Act.

1976 → 42nd + Bonded Labour Act.

1978 → 44th.

1980 → NSA.

1981 → Air Act.

1985 → 52nd + Administrative Tribunals Act.

1986 → Environment Protection Act.

1988 → 61st.

1989 → SC/ST Prevention of Atrocities Act.

1991 → 69th + Places of Worship Act.

1992 → 73rd + 74th.

1993 → Human Rights Act.

1996 → PESA.

2000 → IT Act.

2002 → 97th? No — 97th was 2011. → Delimitation Act + Biological Diversity Act.

2003 → 91st + CVC Act.

2005 → RTI + MGNREGA + Disaster Management.

2006 → Forest Rights Act.

2009 → RTE.

2010 → FCRA + NGT.

2011 → 97th Amendment.

2013 → Lokpal + NFSA + LARR.

2014 → Street Vendors Act.

2016 → 101st + RPwD Act.

2018 → 102nd.

2019 → 103rd + Transgender Persons Act.

2020 → 104th.

2021 → 105th + Election Laws Amendment.

2023 → 106th + DPDP Act + CEC/ECs Act.

39. Important Correction for Prelims

Do not memorise every year merely as a list.

Connect:

Year → Act/Amendment → Article/Institution → Core Theme.

40. Final Master Framework

Constitutional Evolution

1st → 7th → 24th → 42nd → 44th.

Democratic Evolution

61st → 73rd → 74th → 106th.

Social Justice Evolution

1st → 86th → 102nd → 103rd → 105th → 106th.

Federal Evolution

7th → 69th → 73rd → 74th → 101st → 105th.

Governance Evolution

RTI → Lokpal → Social Audit → Digital Governance.

Security vs Liberty

UAPA → NSA → Article 19/21 jurisprudence.

Environment

Water → Air → EPA → Biodiversity → NGT.

41. Ultimate UPSC Rule

For every major Act or Amendment, remember:

  1. Year.
  1. Purpose.
  1. Article/Schedule.
  1. Institution created.
  1. Key provision.
  1. Landmark case.
  1. Current status.
  1. One major Prelims trap.
  1. One Mains theme.

42. One-Page Memory

1st — Social Justice.

7th — States.

24th — Amendment Power.

25th — 31C.

42nd — Mini-Constitution.

44th — Emergency Correction.

52nd — Defection.

61st — Vote 18.

69th — Delhi.

73rd — Panchayats.

74th — Municipalities.

86th — Education.

91st — Defection Tightening.

97th — Cooperatives.

101st — GST.

102nd — NCBC.

103rd — EWS.

104th — SC/ST Political Reservation.

105th — State SEBC Lists.

106th — Women's Reservation.

43. Final UPSC Core Insight

"The evolution of India's constitutional and governance framework is best understood through the interaction of constitutional amendments, ordinary legislation, institutions and judicial interpretation. Together they transform broad constitutional ideals—liberty, equality, democracy, social justice and federalism—into functioning systems of governance."