Indian Public Law Study Guide

Constitutional Law

Understand how the Constitution creates public institutions, limits power and protects democratic government. Each guide connects the text with practical facts, landmark judgments and a clear exam method.

Core modules
7
Topics mapped
36
Detailed guides
36
Landmark cases
70

Start with the constitutional limit

Power, limits and remedies shape every answer

PowerLimitRemedy
Begin the guide

Core module

Constitutional Foundations

  1. 01Constitution and ConstitutionalismMeaning, classifications, limited government, rule of law, rights, accountability and judicial review.Read guide
  2. 02Making and Sources of the Indian ConstitutionConstituent Assembly, drafting timeline, Objectives Resolution and borrowed constitutional ideas.Read guide
  3. 03Preamble of the Indian ConstitutionPopular sovereignty, constitutional goals, interpretive value, amendment and basic structure.Read guide
  4. 04Salient Features of the Indian ConstitutionSupremacy, parliamentary democracy, rights, federalism, secularism, judicial review and social transformation.Read guide
  5. 05Federal Nature of the Indian ConstitutionFederal and unitary features, strong Centre, cooperative federalism and the basic structure doctrine.Read guide

Core module

Constitutional Organs

  1. 01Parliament: Composition and Legislative ProcessLok Sabha, Rajya Sabha, sessions, ordinary Bills, Money Bills, amendments and judicial review.Read guide
  2. 02Parliamentary Sovereignty and Constitutional SupremacyBritish doctrine, Indian constitutional limits, legislative competence, rights and basic structure.Read guide
  3. 03Parliamentary PrivilegesLegislative speech, votes, publications, contempt, judicial review and bribery after Sita Soren.Read guide
  4. 04President and Governor: Position and PowersAid and advice, limited discretion, government formation, ordinances and assent to Bills.Read guide
  5. 05Supreme Court and High Courts: JurisdictionOriginal, appellate, advisory, writ and supervisory jurisdiction under the Constitution.Read guide
  6. 06Judicial Appointments and IndependenceArticles 124 and 217, collegium cases, tenure safeguards, accountability and the NJAC decision.Read guide

Core module

Union and State Relations

  1. 01Legislative Relations between Union and StatesTerritorial competence, three legislative lists, residuary power and special parliamentary powers.Read guide
  2. 02Administrative Relations between Union and StatesExecutive spheres, Union directions, entrusted functions, coordination and All India Services.Read guide
  3. 03Financial Relations between Union and StatesTaxing authority, revenue sharing, grants, Finance Commission, GST Council and borrowing.Read guide
  4. 04Territorial Nexus and Pith and SubstanceTerritorial connection, dominant character, legislative entries and incidental encroachment.Read guide
  5. 05Harmonious Construction and RepugnancyReconciliation of legislative fields, direct conflict, occupied field and Article 254.Read guide
  6. 06Colourable LegislationDisguised legislative transgression, competence, substance over form and legislative motive.Read guide

Core module

Amendment, Emergency and Economic Union

  1. 01Freedom of Trade, Commerce and IntercourseArticles 301 to 307, trade restrictions, discriminatory taxation and the rule after Jindal Stainless.Read guide
  2. 02Emergency Provisions under the Indian ConstitutionNational, State and Financial Emergency, approval, duration, rights effects and judicial review.Read guide
  3. 03Constitutional Amendment and Basic StructureArticle 368 procedure, State ratification, limited amending power and Ninth Schedule review.Read guide

Core module

Fundamental Rights

  1. 01Fundamental Rights: Meaning, Enforcement and Definition of StatePart III enforcement, persons and citizens, Article 12 State action and the instrumentality test.Read guide
  2. 02Doctrines of Eclipse, Severability and WaiverEffect of Article 13 invalidity, revival, separable provisions and the no-waiver principle.Read guide
  3. 03Right to Equality under Articles 14 to 18Classification, arbitrariness, substantive equality, affirmative action, untouchability and titles.Read guide
  4. 04Freedom of Speech and Other Article 19 FreedomsSix citizen freedoms, restriction grounds, legality, vagueness and proportionality.Read guide
  5. 05Constitutional Protection in Criminal ProceedingsEx post facto punishment, double jeopardy and compelled self-incrimination under Article 20.Read guide
  6. 06Right to Life and Personal Liberty under Article 21Fair procedure, dignity, privacy, personal autonomy and proportionality.Read guide
  7. 07Right to Education under Article 21AFree and compulsory education, RTE Act duties, inclusion, quality and minority institutions.Read guide
  8. 08Right against Exploitation under Articles 23 and 24Trafficking, begar, forced labour, economic compulsion, child labour and rehabilitation.Read guide
  9. 09Freedom of Religion under Articles 25 to 28Conscience, practice, denominations, secular regulation, taxation and religious instruction.Read guide
  10. 10Cultural and Educational Rights of MinoritiesArticles 29 and 30, minority status, admissions, autonomy, regulation and the AMU principles.Read guide

Core module

Constitutional Remedies

  1. 01Articles 32 and 226Supreme Court and High Court remedies, scope, territorial reach, discretion and alternative remedies.Read guide
  2. 02Five Constitutional WritsHabeas corpus, mandamus, prohibition, certiorari and quo warranto with conditions and differences.Read guide
  3. 03Public Interest LitigationRelaxed standing, public injury, flexible procedure, continuing mandamus and safeguards against misuse.Read guide

Core module

Directive Principles and Fundamental Duties

  1. 01Directive Principles of State PolicyArticles 36 to 51, legal status, welfare goals, conventional classifications and implementation.Read guide
  2. 02Relationship between Fundamental Rights and Directive PrinciplesConstitutional harmony, amendments, Article 31C, basic structure and the current legal position.Read guide
  3. 03Fundamental DutiesEleven citizen duties, constitutional history, non-enforceability, legislation and interpretation.Read guide

Case law index

Foundational cases in this guide

Each case is attached to the constitutional principle it proves and its proper exam use.

  1. Kesavananda Bharati v. State of Kerala (1973) 4 SCC 225
  2. Indira Nehru Gandhi v. Raj Narain 1975 Supp SCC 1
  3. Minerva Mills Ltd. v. Union of India (1980) 3 SCC 625
  4. In Re: Berubari Union (1960) 3 SCR 250
  5. S.R. Bommai v. Union of India (1994) 3 SCC 1
  6. State of West Bengal v. Union of India AIR 1963 SC 1241
  7. Government of NCT of Delhi v. Union of India (2018) 8 SCC 501
  8. Supreme Court Advocates-on-Record Association v. Union of India (2016) 5 SCC 1
  9. Kihoto Hollohan v. Zachillhu 1992 Supp (2) SCC 651
  10. Raja Ram Pal v. Hon’ble Speaker, Lok Sabha (2007) 3 SCC 184
  11. Rojer Mathew v. South Indian Bank Ltd. (2020) 6 SCC 1
  12. M.S.M. Sharma v. Sri Krishna Sinha AIR 1959 SC 395
  13. Special Reference No. 1 of 1964 AIR 1965 SC 745
  14. Sita Soren v. Union of India (2024) 5 SCC 629
  15. Shamsher Singh v. State of Punjab (1974) 2 SCC 831
  16. Nabam Rebia v. Deputy Speaker (2016) 8 SCC 1
  17. In Re: Assent, Withholding or Reservation of Bills by the Governor and the President 2025 INSC 1333
  18. Dwarka Nath v. Income Tax Officer AIR 1966 SC 81
  19. L. Chandra Kumar v. Union of India (1997) 3 SCC 261
  20. Pritam Singh v. State AIR 1950 SC 169
  21. Supreme Court Advocates-on-Record Association v. Union of India (Second Judges Case) (1993) 4 SCC 441
  22. In Re: Special Reference No. 1 of 1998 (1998) 7 SCC 739
  23. Union of India v. H.S. Dhillon (1971) 2 SCC 779
  24. State of West Bengal v. Kesoram Industries Ltd. (2004) 10 SCC 201
  25. State of Rajasthan v. Union of India (1977) 3 SCC 592
  26. Union of India v. Mohit Minerals Pvt. Ltd. (2022) 10 SCC 700
  27. State of Bombay v. R.M.D. Chamarbaugwala AIR 1957 SC 699
  28. State of Bombay v. F.N. Balsara AIR 1951 SC 318
  29. Prafulla Kumar Mukherjee v. Bank of Commerce, Khulna AIR 1947 PC 60
  30. M. Karunanidhi v. Union of India (1979) 3 SCC 431
  31. Forum for People's Collective Efforts v. State of West Bengal (2021) 8 SCC 599
  32. K.C. Gajapati Narayan Deo v. State of Orissa AIR 1953 SC 375
  33. R.S. Joshi v. Ajit Mills Ltd. (1977) 4 SCC 98
  34. Atiabari Tea Co. Ltd. v. State of Assam AIR 1961 SC 232
  35. Automobile Transport (Rajasthan) Ltd. v. State of Rajasthan AIR 1962 SC 1406
  36. Jindal Stainless Ltd. v. State of Haryana (2017) 12 SCC 1
  37. Makhan Singh v. State of Punjab AIR 1964 SC 381
  38. ADM Jabalpur v. Shivakant Shukla (1976) 2 SCC 521
  39. Justice K.S. Puttaswamy (Retd.) v. Union of India (2017) 10 SCC 1
  40. I.R. Coelho v. State of Tamil Nadu (2007) 2 SCC 1
  41. Ajay Hasia v. Khalid Mujib Sehravardi (1981) 1 SCC 722
  42. Pradeep Kumar Biswas v. Indian Institute of Chemical Biology (2002) 5 SCC 111
  43. Bhikaji Narain Dhakras v. State of Madhya Pradesh AIR 1955 SC 781
  44. Basheshar Nath v. Commissioner of Income Tax AIR 1959 SC 149
  45. E.P. Royappa v. State of Tamil Nadu (1974) 4 SCC 3
  46. Indra Sawhney v. Union of India 1992 Supp (3) SCC 217
  47. Romesh Thappar v. State of Madras AIR 1950 SC 124
  48. Shreya Singhal v. Union of India (2015) 5 SCC 1
  49. Maqbool Hussain v. State of Bombay AIR 1953 SC 325
  50. Nandini Satpathy v. P.L. Dani (1978) 2 SCC 424
  51. Maneka Gandhi v. Union of India (1978) 1 SCC 248
  52. Unni Krishnan, J.P. v. State of Andhra Pradesh (1993) 1 SCC 645
  53. Society for Unaided Private Schools of Rajasthan v. Union of India (2012) 6 SCC 1
  54. People's Union for Democratic Rights v. Union of India (1982) 3 SCC 235
  55. Bandhua Mukti Morcha v. Union of India (1984) 3 SCC 161
  56. Commissioner, Hindu Religious Endowments v. Sri Lakshmindra Thirtha Swamiar AIR 1954 SC 282
  57. Bijoe Emmanuel v. State of Kerala (1986) 3 SCC 615
  58. T.M.A. Pai Foundation v. State of Karnataka (2002) 8 SCC 481
  59. Aligarh Muslim University v. Naresh Agarwal 2024 INSC 856
  60. Daryao v. State of Uttar Pradesh AIR 1961 SC 1457
  61. T.C. Basappa v. T. Nagappa AIR 1954 SC 440
  62. Kanu Sanyal v. District Magistrate, Darjeeling (1973) 2 SCC 674
  63. S.P. Gupta v. Union of India 1981 Supp SCC 87
  64. State of Uttaranchal v. Balwant Singh Chaufal (2010) 3 SCC 402
  65. Municipal Council, Ratlam v. Vardhichand (1980) 4 SCC 162
  66. D.S. Nakara v. Union of India (1983) 1 SCC 305
  67. State of Madras v. Champakam Dorairajan AIR 1951 SC 226
  68. Property Owners Association v. State of Maharashtra 2024 INSC 835
  69. AIIMS Students' Union v. AIIMS (2002) 1 SCC 428
  70. Aruna Roy v. Union of India (2002) 7 SCC 368
Coverage

The guide combines constitutional structure and fundamental rights in one subject path, while keeping every search topic distinct and easy to revise.