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Subject: Polity | Published: 24 November 2025

The Supreme Court of India: Guardian of the Constitution & Architect of Justice

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Introduction: The Sentinel on the Qui Vive

The Supreme Court of India stands as the majestic apex of the nation’s integrated judicial system. It is not merely a court of appeal but a multi-faceted institution: the final interpreter and guardian of the Constitution of India, a guarantor of the fundamental rights of citizens, and a crucial arbiter in the complex federal dynamics between the Centre and the States. Envisioned by the framers of the Constitution as a “sentinel on the qui vive” (a watchful guardian), its role transcends mere adjudication. Through judicial review, activism, and interpretation, it has shaped public policy, expanded the scope of civil liberties, and continuously redefined the contours of Indian democracy. For any UPSC aspirant, a profound understanding of the Supreme Court’s structure, powers, and its evolving jurisprudence is not just recommended; it is indispensable for mastering the Indian Polity syllabus. This article provides a comprehensive analysis of the Supreme Court, its constitutional mandate, its landmark judicial innovations, and the contemporary challenges it faces, all through the focused lens of the Civil Services Examination.

Constitutional Foundation: The Bedrock of Judicial Authority

The legal and structural framework of the Supreme Court is meticulously laid out in Part V, Chapter IV (The Union Judiciary) of the Constitution, spanning from Article 124 to Article 147. These articles provide for its establishment, composition, powers, and procedures, creating a robust foundation for an independent and powerful judiciary.

  • Article 124: Deals with the establishment and constitution of the Supreme Court. It specifies the appointment of judges, their qualifications, and the process for their removal.
  • Article 125: Outlines the salaries and allowances of the judges, which are charged on the Consolidated Fund of India and cannot be varied to their disadvantage during their term.
  • Article 126: Provides for the appointment of an acting Chief Justice.
  • Article 127: Allows for the appointment of ad hoc judges to the Supreme Court from among qualified High Court judges to meet a lack of quorum.
  • Article 128: Pertains to the attendance of retired Supreme Court judges at sittings of the Court.
  • Article 129: Establishes the Supreme Court as a ‘Court of Record’, giving it the power to punish for its own contempt.
  • Article 130: Specifies the seat of the Supreme Court, which is Delhi, but also empowers the Chief Justice of India (CJI) to appoint other places as the seat of the court with the President’s approval.
  • Articles 131-145: Detail the vast jurisdictions of the court—Original, Appellate, Advisory—and its ancillary powers.
  • Article 146: Covers the officers and servants of the Supreme Court and its expenses.
  • Article 147: Deals with the interpretation of the Constitution.

This constitutional architecture ensures the judiciary’s independence, a cornerstone of the Basic Structure Doctrine.


Fun Fact: The Supreme Court of India was inaugurated on January 28, 1950, two days after India became a sovereign democratic republic. It succeeded the Federal Court of India, which was established under the Government of India Act, 1935. Its first sitting was held in the Chamber of Princes in the Parliament House.


Composition, Appointment, and Removal: The Collegium Conundrum

The strength of the Supreme Court is determined by Parliament. Originally, it had a Chief Justice and 7 other judges. Today, its sanctioned strength is 34 judges, including the Chief Justice of India.

The Appointment Process: Evolution of the Collegium System

The appointment of judges to the Supreme Court has been a subject of intense constitutional debate, leading to the evolution of the Collegium System. This system, which is a judicial innovation and not explicitly mentioned in the Constitution, has its roots in a series of landmark cases known as the Three Judges Cases.

  1. First Judges Case (S.P. Gupta v. Union of India, 1981): The Court ruled that the “consultation” with the CJI in Article 124 was not “concurrence.” It gave the executive primacy in judicial appointments, meaning the government could disagree with the CJI’s recommendations.
  2. Second Judges Case (Supreme Court Advocates-on-Record Association v. Union of India, 1993): The Court overruled its earlier decision, stating that “consultation” really meant “concurrence.” This established the Collegium system, where the CJI, along with the two senior-most judges of the Supreme Court, would have primacy in appointments. The executive’s role was minimized to being a check against unsuitable candidates.
  3. Third Judges Case (In re Special Reference, 1998): The Court expanded the Collegium to a five-member body, comprising the CJI and the four senior-most judges of the Supreme Court. It held that the CJI must consult this collegium and that the recommendation of the collegium is binding on the government.

The National Judicial Appointments Commission (NJAC) Challenge

In 2014, the Parliament passed the 99th Constitutional Amendment Act and the NJAC Act, which sought to replace the Collegium with the National Judicial Appointments Commission (NJAC). This body was to consist of the CJI, two senior-most Supreme Court judges, the Union Law Minister, and two “eminent persons.” However, in the Fourth Judges Case (2015), the Supreme Court struck down both the amendment and the Act as unconstitutional, holding that they violated the independence of the judiciary, which is part of the ‘basic structure’ of the Constitution. This landmark judgment reaffirmed the primacy of the Collegium system.

The debate, however, is far from over. The Collegium system is often criticized for its opacity and lack of accountability, being described as a system of “judges appointing judges.” Recent years, particularly 2023 and 2024, have seen renewed friction between the executive and the judiciary over delays in clearing Collegium recommendations, reigniting calls for reform to bring greater transparency and accountability to the appointment process.

Removal of Judges

The Constitution ensures a secure tenure for judges, making their removal exceptionally difficult to protect judicial independence. A judge of the Supreme Court can be removed by an order of the President only on the grounds of proved misbehaviour or incapacity. The process, detailed in Article 124(4), requires a motion supported by a special majority in both Houses of Parliament (a majority of the total membership of that House and a majority of not less than two-thirds of the members of that House present and voting). This stringent procedure has meant that no Supreme Court judge has ever been impeached to date.

The Vast Expanse of Judicial Power: A Multi-Jurisdictional Behemoth

The Supreme Court’s powers are among the most extensive of any apex court in the world. Its jurisdiction can be broadly classified into several categories.

Jurisdiction TypeConstitutional ArticleKey Features & Scope
Original JurisdictionArticle 131Exclusive and Final. Deals with federal disputes: (a) between the Government of India and one or more States; (b) between the Government of India and any State(s) on one side and one or more other States on the other; (c) between two or more States. It does not extend to inter-state water disputes (Art. 262) or matters referred to the Finance Commission.
Writ JurisdictionArticle 32”Heart and Soul of the Constitution.” The Supreme Court is the guarantor of Fundamental Rights. Any citizen can move the SC directly for the enforcement of their rights by the issuance of writs. This jurisdiction is original but not exclusive, as High Courts also have writ jurisdiction under Article 226.
Appellate JurisdictionArticles 132, 133, 134Appeals from High Courts. (a) Constitutional Matters (Art. 132): Appeal lies if the High Court certifies that the case involves a substantial question of law as to the interpretation of the Constitution. (b) Civil Matters (Art. 133): Appeal lies if the High Court certifies that the case involves a substantial question of law of general importance. (c) Criminal Matters (Art. 134): Appeal lies if the High Court has reversed an acquittal and sentenced someone to death, or has withdrawn a case from a subordinate court and sentenced someone to death, or certifies the case is fit for appeal.
Special Leave Petition (SLP)Article 136Extraordinary Discretionary Power. The SC can grant special leave to appeal from any judgment, decree, determination, sentence, or order in any cause or matter passed by any court or tribunal in India (except military tribunals). It is a “residual power” and not a matter of right.
Advisory JurisdictionArticle 143Presidential Reference. The President can seek the opinion of the Supreme Court on any question of law or fact of public importance. The Court’s opinion is not binding on the President. This was invoked in the Ayodhya case and the 2G spectrum case, among others.
Court of RecordArticle 129Perpetual Memory and Testimony. Its judgments are recorded for perpetual memory and have evidentiary value. It has the power to punish for contempt of court, which can be civil (disobedience to an order) or criminal (scandalizing the court or interfering with justice).

The Five Writs: Tools of Justice

The power to issue writs under Article 32 is fundamental to the Court’s role as a protector of rights.

Mnemonic for Writs: “C.P. Has Many Questions”

  • Certiorari: To quash an order of a lower court.
  • Prohibition: To prohibit a lower court from proceeding.
  • Habeas Corpus: To produce the body of a person.
  • Mandamus: To command a public official to do their duty.
  • Quo Warranto: To inquire into the legality of a person’s claim to a public office.

Fun Fact: The power of Special Leave Petition (SLP) under Article 136 is so vast that the celebrated jurist Nani Palkhivala once remarked that if he were to choose only one power for the Supreme Court, it would be this one, as it allows the court to deliver justice in any case where it perceives a grave injustice has occurred.


Judicial Review and Landmark Doctrines: The Court as a Constitution-Maker

Beyond its explicit jurisdictions, the Supreme Court’s most profound impact has been through its power of Judicial Review. This is the power to examine the constitutionality of legislative enactments and executive orders of both the Central and State governments. If found to be in violation of the Constitution, they can be declared null and void.

The Basic Structure Doctrine

The zenith of judicial creativity was the formulation of the Basic Structure Doctrine in the historic case of Kesavananda Bharati v. State of Kerala (1973). While the Court conceded that Parliament has the power to amend any part of the Constitution (under Article 368), it held that this power is not absolute. Parliament cannot amend the “basic structure” or fundamental framework of the Constitution. What constitutes the ‘basic structure’ is not exhaustively defined but has been interpreted over time to include:

  • Supremacy of the Constitution
  • Sovereign, democratic, and republican nature of the Indian polity
  • Secular character of the Constitution
  • Separation of powers
  • Federal character
  • Judicial Review
  • Rule of law
  • Harmony and balance between Fundamental Rights and Directive Principles
  • Principle of equality
  • Free and fair elections
  • Independence of the Judiciary

This doctrine established the Supreme Court as the ultimate arbiter of constitutional validity, placing a significant check on the legislative power of Parliament.

Judicial Activism and Public Interest Litigation (PIL)

In the late 1970s and 1980s, the Supreme Court underwent a transformation, moving from a passive, positivist court to an activist one. The most significant manifestation of this was the innovation of Public Interest Litigation (PIL). The Court relaxed the traditional rule of locus standi (the right to bring an action), allowing any public-spirited citizen or social organization to approach the court on behalf of the poor, oppressed, or disadvantaged who could not seek justice themselves.

PIL has been a powerful tool for social change, leading to landmark judgments in areas like environmental protection (M.C. Mehta cases), rights of prisoners, bonded labor, and the right to food. It has democratized access to justice and made the judiciary an active participant in governance. However, it has also attracted criticism for blurring the lines of separation of powers, leading to accusations of judicial overreach.

Recent Developments and the Evolving Role of the Court (2023-2025)

The Supreme Court continues to be at the forefront of addressing complex socio-legal issues. Recent years have been particularly significant.

  1. Appointment of Election Commissioners (Anoop Baranwal v. Union of India, 2023): In a landmark judgment aimed at insulating the Election Commission of India (ECI) from executive influence, the Supreme Court ruled that the President shall appoint the Chief Election Commissioner and Election Commissioners on the advice of a committee comprising the Prime Minister, the Leader of the Opposition in the Lok Sabha, and the Chief Justice of India. The Court held this arrangement would be in effect until Parliament enacts a law on the matter. This was a significant push for electoral reform, though Parliament subsequently passed a new law in late 2023 replacing the CJI with a cabinet minister, a move that itself is now under judicial scrutiny.

  2. Same-Sex Marriage Verdict (Supriyo @ Supriya Chakraborty v. Union of India, 2023): A five-judge Constitution Bench unanimously refused to grant legal recognition to same-sex marriages, stating that the power to legislate on marriage rests with the Parliament and State Legislatures. While it did not legalize same-sex marriage, the Court issued directives to the government to form a committee to examine the rights and entitlements of queer couples, ensuring they are not discriminated against. The judgment underscored the principle of judicial restraint in matters of social policy requiring legislative action.

  3. Digitization and Transparency (e-Courts Project): Under the leadership of recent CJIs, the Court has aggressively pursued the e-Courts Mission Mode Project. This includes the live-streaming of Constitution Bench proceedings, digitization of records, and the launch of digital platforms like the ‘Supreme Court Mobile App 2.0’ and the ‘National Judicial Data Grid’ (NJDG). These initiatives, gaining momentum through 2024, aim to enhance transparency, reduce pendency, and make the judicial process more accessible to the common citizen.


Statistic: As of late 2024, the National Judicial Data Grid (NJDG) portal, a flagship initiative of the e-Courts project, provides real-time data on cases pending in various courts across India. It reveals a staggering pendency of over 4.5 crore cases in the Indian judicial system, with the Supreme Court itself having over 80,000 pending matters, highlighting the immense challenge of judicial backlog.


Critical Policy Appraisal

Challenges / CriticismsOpportunities / Successes / Way Forward
Huge Pendency of Cases: Delays in justice delivery erode public faith. Over 80,000 cases are pending in the SC alone.e-Courts Project & Technology: Leveraging AI for case management, virtual hearings, and digitization can expedite processes. The NJDG is a step towards transparency.
Opacity of the Collegium: The “judges-appointing-judges” system lacks transparency and public accountability, leading to accusations of nepotism.Reforming the Collegium: While NJAC was struck down, there is a need for a more transparent and accountable appointment mechanism, possibly a revised NJAC or a structured Memorandum of Procedure (MoP).
Judicial Overreach: PILs and suo motu actions sometimes blur the separation of powers, with the judiciary entering the domain of the executive and legislature.Judicial Restraint & PIL Guidelines: The Court itself has advocated for judicial restraint. There is a need for stricter guidelines to filter frivolous PILs and focus on genuine issues of public interest.
Access to Justice: High costs, complex procedures, and geographical distance from Delhi make the Supreme Court inaccessible for many ordinary citizens.Legal Aid & Regional Benches: Strengthening the National Legal Services Authority (NALSA) and considering the long-standing demand for regional benches of the Supreme Court as recommended by the Law Commission.

Analytical Lens: UPSC Focus (Mains & Prelims)

Conceptual Basis

The constitutional foundation for the Supreme Court is enshrined in Part V, Chapter IV (Articles 124-147) of the Indian Constitution. The most critical articles for UPSC are Article 32 (Right to Constitutional Remedies), Article 131 (Original Jurisdiction), Article 136 (Special Leave Petition), Article 142 (Power to do ‘complete justice’), and Article 143 (Advisory Jurisdiction).

UPSC Integration: Connecting the Dots

  1. Polity & Governance (GS Paper 2): The topic is central to this paper. It directly links to Separation of Powers, Federalism (as an arbiter of disputes), Fundamental Rights, and the structure and functioning of the judiciary.
  2. Social Justice (GS Paper 2): The role of the Supreme Court in expanding social rights through PILs (e.g., right to food, right to a clean environment, rights of unorganized workers) is a key area of intersection.
  3. Ethics (GS Paper 4): The concept of judicial ethics, accountability, and the debate between judicial activism and restraint are relevant case studies for the Ethics paper, particularly in the context of the conduct of public officials.

Future Impact and Policy Relevance

The Supreme Court’s future trajectory will be defined by its ability to balance three critical elements: upholding constitutional morality, managing its immense caseload, and navigating its relationship with the executive. The push for technological integration (e-Courts) is a game-changer, promising greater efficiency and transparency. However, the core challenge remains the same: ensuring speedy, accessible, and affordable justice for every citizen. The Court’s pronouncements on data privacy, electoral reforms, and environmental governance will continue to have a profound impact on India’s policy landscape, making it a dynamic and ever-relevant institution for UPSC aspirants to follow.

Prelims Practice Question (MCQ)

Question: With reference to the Supreme Court of India, which of the following statements is/are correct?

  1. An ad hoc judge of the Supreme Court is appointed by the President of India after consultation with the Chief Justice of India.
  2. The jurisdiction of the Supreme Court with respect to disputes between the Centre and the States is part of its Appellate Jurisdiction.
  3. A judge of the Supreme Court can be removed by the President on the recommendation of the Parliament.

Select the correct answer using the code given below: (a) 1 and 2 only (b) 3 only (c) 1 and 3 only (d) 1, 2 and 3

Answer: (b) 3 only Explanation:

  • Statement 1 is incorrect. An ad hoc judge is appointed by the Chief Justice of India (not the President) with the previous consent of the President and after consultation with the Chief Justice of the High Court concerned (Article 127).
  • Statement 2 is incorrect. The jurisdiction to adjudicate disputes between the Centre and States falls under the Supreme Court’s exclusive Original Jurisdiction (Article 131), not its Appellate Jurisdiction.
  • Statement 3 is correct. The process of removal involves an address by Parliament passed by a special majority in both houses, which is then presented to the President, who then passes the order of removal (Article 124(4)).

Mains Practice Question

Question (15 Marks): “The Supreme Court of India has transitioned from being merely an interpreter of the law to an active architect of social change, often blurring the lines of separation of powers.” Critically analyze this statement in the context of Judicial Activism and the doctrine of Judicial Restraint.

Mind Map Outline (Revision Structure)

  • Supreme Court of India
    • Constitutional Framework (Part V, Arts. 124-147)
      • Article 124: Establishment & Constitution
      • Article 129: Court of Record
      • Article 130: Seat of the Supreme Court
      • Article 142: Power to do ‘complete justice’
    • Structure & Composition
      • Sanctioned Strength: 34 (CJI + 33)
      • Appointment of Judges
        • The Collegium System: Evolution
          • First Judges Case (1981): Executive Primacy
          • Second Judges Case (1993): Judicial Primacy, Collegium born
          • Third Judges Case (1998): Collegium expanded (CJI + 4)
        • NJAC Challenge (99th Amendment & Fourth Judges Case, 2015)
      • Removal of Judges (Article 124(4))
        • Grounds: Proved misbehaviour or incapacity
        • Process: Special majority in both Houses of Parliament
    • Jurisdictions & Powers
      • Original Jurisdiction (Art. 131)
        • Federal Disputes (Centre-State, Inter-State)
      • Writ Jurisdiction (Art. 32)
        • Guarantor of Fundamental Rights
        • Types of Writs: Habeas Corpus, Mandamus, Prohibition, Certiorari, Quo Warranto
      • Appellate Jurisdiction (Arts. 132-134)
        • Constitutional, Civil, and Criminal Matters
      • Special Leave Petition (Art. 136)
        • Discretionary, extraordinary power
      • Advisory Jurisdiction (Art. 143)
        • Presidential Reference
    • Key Judicial Doctrines & Innovations
      • Judicial Review
        • Power to check the constitutionality of laws and executive actions.
      • Basic Structure Doctrine
        • Origin: Kesavananda Bharati case (1973)
        • Concept: Parliament cannot alter the fundamental framework of the Constitution.
      • Public Interest Litigation (PIL)
        • Relaxation of locus standi
        • Tool for social justice and judicial activism.
    • Contemporary Issues & Challenges
      • Judicial Pendency (Backlog of cases)
      • Collegium System: Opacity vs. Independence
      • Judicial Activism vs. Judicial Restraint
      • Recent Developments (2023-2025)
        • Election Commissioners’ Appointment Judgment (2023)
        • Same-Sex Marriage Verdict (2023)
        • e-Courts Project & Digitization
    • UPSC Focus
      • Inter-topic Linkages: Polity, Social Justice, Ethics
      • Practice Questions: Prelims (MCQ) & Mains

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