Public Interest Litigation (PIL) in India: Evolution, Scope & Reforms (UPSC Polity)

Public Interest Litigation is the Indian Supreme Court's most famous judicial invention. It was not written into the Constitution. It was built, case by case, in the late 1970s and 1980s by judges who decided that the court's doors had to open wider than the classical rules of standing allowed. Today, any citizen — or even a postcard from a prisoner — can set the constitutional machinery in motion to protect rights of people who cannot approach the court themselves. PIL has reshaped environmental law, labour law, women's rights, prison reform, sexual harassment law, right to food, right to education and much more. It has also been criticised — sometimes by the Supreme Court itself — for crowding the docket, blurring separation of powers and serving private or publicity interests in the garb of public interest.

For UPSC, PIL is a core GS Paper II topic under judiciary and governance. It also shows up in Essay and Ethics because it sits at the crossroads of access to justice, judicial activism and rule of law.

The Concept of PIL

PIL is not a distinct type of case with its own statute. It is a procedural relaxation of two rules:

• Locus standi: ordinarily only a person whose legal right is violated can sue. In a PIL, any public-spirited person can approach the court on behalf of those who cannot.
• Form: a formal petition drafted by a lawyer is ideal but not essential. The Supreme Court has treated postcards, letters and newspaper reports as writ petitions. This is called epistolary jurisdiction.

The goal is access to justice for the poor, illiterate, disabled, bonded labourers, prisoners, undertrials, slum dwellers and future generations — anyone whose voice struggles to reach a court.

How PIL Emerged

The 1970s were the backdrop. Emergency-era excesses, mass poverty, a clogged civil justice system and a young generation of activist lawyers produced a push for reform. Two judges — Justice P.N. Bhagwati and Justice V.R. Krishna Iyer — led the shift from the bench.

S.P. Gupta v. Union of India (1981), better known as the First Judges Case, is also the foundational PIL case. Justice Bhagwati wrote that "any member of the public having sufficient interest" can maintain an action for judicial redress of a legal wrong caused to a determinate class of persons who cannot approach the court themselves. That sentence broke the classical lock on standing.

Earlier, Mumbai Kamgar Sabha v. Abdulbhai (1976) and Hussainara Khatoon v. State of Bihar (1979) — the undertrial prisoners case — had already shown the direction. Hussainara Khatoon led to the release of thousands of undertrials who had been in jail longer than the maximum sentence for their alleged offences.

Who Can File a PIL, and Where

PIL can be filed under:

• Article 32 — directly in the Supreme Court, as a writ for enforcement of fundamental rights. This is itself a fundamental right, called the "heart and soul" of the Constitution by Ambedkar.
• Article 226 — in any High Court, on a wider ground (both fundamental rights and other legal rights).
• Section 133, CrPC — before a magistrate in cases of public nuisance.

A PIL can be filed only against the state in the broad Article 12 sense — Union government, state governments, local authorities and other authorities under government control. It cannot be filed against a private individual as such, though private parties can be added as respondents if they are linked to state action.

Landmark PIL Cases

Significance of PIL

• Affordable access: a nominal court fee and relaxed procedure let ordinary citizens raise constitutional questions.
• Relaxed locus standi: a third party, not just the victim, can bring the case.
• Instrument of social change: from Vishaka to mid-day meals, PIL has produced guidelines that function like legislation until Parliament catches up.
• Monitoring of state institutions: courts have supervised prisons, mental asylums, juvenile homes and women's protective homes through continuing mandamus.
• Checks and balances: PIL has functioned as a public-powered check on executive inaction.
• Innovative reliefs: interim compensation, court-monitored investigations, socio-legal commissions, amicus briefs, National Human Rights Commission references.

Criticisms and Challenges

Disturbing the Balance of Power

PIL has sometimes pushed the court into the shoes of the legislature and the executive. Courts have written pollution control plans, mid-day meal menus, liquor policies, traffic rules and even sports governance frameworks. Critics — including Justice Markandey Katju and, more recently, Justice Abhay Oka — warn this amounts to judicial overreach and chills elected organs from doing their job.

Frivolous and Publicity PIL

The Supreme Court itself has coined the terms "Publicity Interest Litigation" and "Private Interest Litigation" for petitions filed by busybodies, disgruntled rivals or activists chasing headlines. CJI D.Y. Chandrachud and earlier CJIs have repeatedly warned that PIL risks becoming a tool of harassment.

Primacy Over Pending Cases

PIL cases often jump the queue. In a system with over 5 crore pending cases (as of 2025), that raises fairness concerns for ordinary litigants whose appeals have waited for decades.

Overuse and Dilution

When every grievance — from potholes to political slogans — is filed as a PIL, the remedy's moral weight erodes. The Supreme Court's State of Uttaranchal v. Balwant Singh Chaufal (2010) laid down detailed guidelines for courts to filter PIL at the admission stage and impose costs on frivolous petitioners.

Pendency

PILs themselves have begun to pile up. Continuing mandamus — where a court holds a case open for years to supervise compliance — keeps benches permanently tied to single disputes.

Supreme Court Guidelines for PIL

In State of Uttaranchal v. Balwant Singh Chaufal (2010), the Supreme Court directed High Courts to:

• Frame rules to encourage genuine and bona fide PIL while discouraging frivolous ones.
• Verify the credentials of the petitioner before entertaining a PIL.
• Verify the correctness of the facts before issuing notice.
• Ensure the PIL serves a substantial public interest.
• Impose exemplary costs where the process is abused.

Latest Developments (2024–26)

Updated context: The Supreme Court has tightened PIL filters while the overall caseload has surged.

• CJI D.Y. Chandrachud's tenure (2022–24) emphasised screening of politically motivated PILs and faster disposal of constitutional benches.
• Justice Sanjiv Khanna became CJI in November 2024, followed by Justice B.R. Gavai in May 2025. Both have spoken in favour of a disciplined PIL jurisdiction focused on genuinely marginalised petitioners.
• Imposition of exemplary costs on frivolous PILs has risen: the Supreme Court in 2024 dismissed multiple politically coloured PILs with costs ranging from Rs 25,000 to Rs 5 lakh.
• PIL on electoral bonds (2024) led to the landmark Association for Democratic Reforms verdict striking down the scheme as unconstitutional — a reminder that PIL still drives the biggest constitutional moments.
• The 2025 Supreme Court e-filing rules have made it easier to submit PILs online but also added identity verification steps to reduce anonymous misuse.

Conclusion

PIL is both India's most celebrated and most contested judicial innovation. It has opened courtrooms to people who had no hope of entering them. It has produced laws — on sexual harassment, bonded labour, food security — that Parliament was slow to write. It has also bent separation of powers and occasionally strayed into governance. The task ahead is not to roll it back but to discipline it — strict screening at admission, costs for abuse, timelines for compliance, and executive action that does not force the court to write policy. When all three organs do their own jobs, PIL returns to its original purpose: a ladder to justice for those who cannot climb the regular stairs.

UPSC Relevance

Paper mapping: GS Paper II — Judiciary, Separation of Powers, Citizens' Charters, Accountability. Also relevant for Essay and GS IV (institutional integrity).

Prelims pointers:

• PIL jurisdiction flows from Article 32 (SC) and Article 226 (HC).
• The foundational PIL case is S.P. Gupta v. Union of India (1981).
• Justices P.N. Bhagwati and V.R. Krishna Iyer are credited with shaping PIL.
• Vishaka v. State of Rajasthan (1997) laid down workplace sexual harassment guidelines later codified in the POSH Act 2013.
• M.C. Mehta v. Union of India produced the absolute liability doctrine in the Oleum Gas Leak case.
• State of Uttaranchal v. Balwant Singh Chaufal (2010) laid down PIL screening guidelines.
• The 2024 electoral bonds verdict was delivered in a batch of PILs.
• PIL can be filed only against the "state" under Article 12.

Mains angles:

• "PIL has democratised access to justice but also enabled judicial overreach. Critically examine."
• "Discuss the role of PIL in environmental jurisprudence in India with reference to landmark cases."