The Role of Judiciary in Social Change Through PIL

India’s judiciary has long been regarded as a guardian of constitutional values. But its most transformative contribution to society did not come through routine case adjudication. It came through a legal mechanism called Public Interest Litigation, or PIL – a tool that fundamentally redefined what courts can do and who they can protect. Through PIL, the judiciary has moved beyond simply interpreting the law and has become an active force in shaping social policy, expanding fundamental rights, and giving voice to millions who could never afford to walk into a courtroom on their own.

What is public interest litigation and why does it matter? 🔗

Public Interest Litigation is litigation filed in a court of law not by the aggrieved party, but by any public-spirited individual or organization on behalf of the larger public interest. Unlike conventional lawsuits, a person filing a PIL does not need to be personally affected by the issue. The concept allows citizens, NGOs, and even courts themselves to raise matters concerning public welfare – whether it involves environmental degradation, prison conditions, rights of children, or violations faced by marginalized communities.

The significance of PIL lies in what it changed: before its emergence, only those directly harmed could seek judicial remedy. This meant that the poor, the illiterate, and the socially disadvantaged – the very people most in need of justice – were effectively shut out of the system. PIL democratized access to justice by dismantling this barrier entirely. It is not defined in any statute or act of Parliament. Instead, it has been shaped entirely through judicial interpretation – a testament to the courts’ proactive role in social change.

The origins: how PIL was born in India 🔗

The roots of PIL trace back to the post-Emergency era of the late 1970s. During the Emergency period (1975-1977), widespread state repression and the suppression of civil liberties left deep scars on Indian democracy. When the political situation stabilized, a group of progressive judges began questioning whether the judiciary could do more to protect citizens who had no other recourse.

Justice V.R. Krishna Iyer and Justice P.N. Bhagwati were the two most instrumental figures in this transformation. They recognized that access to justice for the poor and exploited could only become real if the rigid rule of locus standi – which required only the directly injured party to file a case – was relaxed. Their efforts turned the Supreme Court into what has been described as a court for all Indians, not just for those who could afford lawyers and court fees.

The concept itself was adapted from American jurisprudence, where PIL had originally been used to provide legal representation to underrepresented groups such as racial minorities and environmental activists. India, however, took the concept further, embedding it into a broader constitutional philosophy rooted in equality, dignity, and social justice.

The constitutional backbone of PIL 🔗

PIL draws its legal authority from specific provisions of the Indian Constitution. Article 32 empowers the Supreme Court to enforce fundamental rights through writ petitions, while Article 226 grants the same power to High Courts within their jurisdictions. These two provisions serve as the primary entry points for PIL in the Indian legal system.

The Directive Principles of State Policy in Part IV of the Constitution, while not directly enforceable by courts, play an equally critical role. They set out the goals the state must pursue – including ensuring adequate livelihood, access to education, and protection of the environment. Through PIL, the judiciary has repeatedly used these Directive Principles as a yardstick to hold the executive accountable when it fails to act on these constitutional mandates.

Landmark cases that reshaped Indian society 🔗

The impact of PIL on Indian society is best understood through the landmark cases that defined its trajectory. Each of the following cases represents a moment where the judiciary stepped in to protect rights that legislation and executive action had failed to address.

Hussainara Khatoon v. State of Bihar (1979) 🔗

This is widely recognized as the first major PIL case in India. Advocate Kapila Hingorani filed petitions on behalf of undertrial prisoners in Bihar who had been languishing in jail for years – in many cases, longer than the maximum sentence they would have received if convicted. The Supreme Court, led by Justice P.N. Bhagwati, declared that the right to a speedy trial is an inseparable part of the fundamental right to life under Article 21. The court ordered the immediate release of over 40,000 undertrial prisoners. Beyond that single order, the case catalyzed the establishment of legal aid services across the country and set the foundation for future PIL jurisprudence.

S.P. Gupta v. Union of India (1981) 🔗

Known as the Judges Transfer Case, this decision formally defined the scope of PIL. The court held that any member of the public or social action group acting in good faith can invoke the writ jurisdiction of the High Courts or the Supreme Court to seek redressal for violations of constitutional rights on behalf of individuals who cannot approach the court due to social, economic, or other disabilities. This judgment gave PIL its legal teeth and opened the floodgates for public interest cases across India.

Vishaka v. State of Rajasthan (1997) 🔗

This case arose from the brutal gang rape of Bhanwari Devi, a social worker in Rajasthan who had tried to prevent a child marriage. At the time, India had no legislation specifically addressing sexual harassment in the workplace. The Supreme Court, recognizing this legislative vacuum, framed the Vishaka Guidelines – a comprehensive set of norms for preventing and redressing workplace sexual harassment. These guidelines directly led to the enactment of the Sexual Harassment of Women at Workplace (Prevention, Prohibition and Redressal) Act, 2013. The Vishaka case remains one of the clearest examples of how PIL can fill gaps left by the legislature and force systemic change.

M.C. Mehta v. Union of India (1986) 🔗

This series of petitions brought environmental protection to the forefront of Indian jurisprudence. Through this case, the Supreme Court declared that the right to a pollution-free environment is an integral part of the right to life under Article 21. The court ordered the closure of polluting industries near the Taj Mahal and established enduring principles such as the Polluter Pays Principle and Sustainable Development in Indian environmental law. M.C. Mehta transformed environmental governance in India and demonstrated that PIL could address issues affecting entire ecosystems, not just individual grievances.

Navtej Singh Johar v. Union of India (2018) 🔗

In one of the most socially significant PIL outcomes in recent decades, the Supreme Court unanimously struck down Section 377 of the Indian Penal Code insofar as it criminalized consensual sexual conduct between adults of the same sex. The court held that sexual orientation is an inherent part of privacy, dignity, and autonomy – all protected under Article 21. The bench explicitly stated that history owed an apology to members of the LGBTQ+ community for the persecution and ostracism they had endured. This judgment marked a turning point in India’s rights jurisprudence and demonstrated the judiciary’s willingness to uphold constitutional morality over social conservatism.

How PIL expanded fundamental rights 🔗

One of the most enduring contributions of PIL has been the dramatic expansion of Article 21 – the right to life and personal liberty. What began as a narrow guarantee has, through decades of judicial interpretation driven by PIL, evolved into what legal scholars describe as a reservoir of unenumerated rights. The courts have read into Article 21 the right to health, the right to education, the right to a clean environment, the right to food, the right to livelihood, the right to privacy, and the right to dignity – none of which are explicitly stated in the text of Article 21 itself.

This expansive interpretation is not arbitrary judicial overreach. It is grounded in the principle, articulated repeatedly by the Supreme Court, that the right to life is not merely the right to biological existence. It is the right to live with human dignity. A life stripped of access to education, clean water, or basic healthcare cannot, in any meaningful sense, be called a life protected by the Constitution. PIL has been the primary vehicle through which the judiciary has made this principle operational.

The role of judicial activism in PIL 🔗

Judicial activism – the court’s willingness to go beyond traditional boundaries of interpretation to address pressing social issues – and PIL are deeply intertwined. PIL gained significant momentum precisely because of the judiciary’s proactive stance in addressing social justice issues that extended well beyond conventional litigation. Courts began taking cognizance of matters involving public interest on their own, sometimes acting on letters or newspaper reports rather than formal petitions.

This is known as epistolary jurisdiction – the power of courts to treat letters addressed to them as the basis for initiating proceedings. It further lowered the barrier to accessing justice. The court did not wait for a well-drafted petition from a lawyer. It responded to the voice of the people, however informal that voice might be.

Critics have raised valid concerns about judicial overreach – the risk that courts may encroach upon the domain of the legislature and executive. For instance, orders mandating specific policy decisions, such as Delhi’s conversion of public transport to CNG, have been seen by some as crossing into policy-making territory. These are legitimate debates. However, the counterargument is equally compelling: when the executive fails to protect constitutional rights, the judiciary has both the authority and the obligation to step in. PIL is the mechanism through which that obligation is fulfilled.

Challenges and limitations of PIL 🔗

Despite its transformative impact, PIL is not without significant challenges. One of the most persistent problems is the misuse of PIL for personal or political gain rather than genuine public interest. Frivolous petitions not only waste the court’s time but also delay the resolution of cases that truly matter. The Supreme Court has, over the years, framed guidelines to screen out such petitions and ensure PIL remains a tool of public welfare.

The effective implementation of court orders is another recurring issue. Even when the judiciary issues strong directions – ordering the release of prisoners, mandating environmental clean-ups, or directing the creation of institutional safeguards – compliance by state authorities is not always forthcoming. Without robust enforcement mechanisms, the power of PIL remains incomplete.

The heavy caseload on Indian courts also poses a structural challenge. PIL cases often demand extensive research, expert consultation, and long-term monitoring by the court. This adds to an already strained judicial system and can delay the delivery of justice in other matters.

PIL and the protection of marginalized communities 🔗

At its core, PIL was designed to serve one purpose: to ensure that the most vulnerable sections of Indian society could access justice. Through PIL, the courts have addressed systemic issues related to poverty, inequality, and environmental degradation, bringing justice to many who would otherwise have been entirely ignored by the system. Bonded laborers, undertrial prisoners, slum dwellers, women facing workplace harassment, prisoners subjected to custodial torture, and LGBTQ+ individuals facing criminalization – all have found a measure of protection through PIL.

The case of Bandhua Mukti Morcha v. Union of India (1984) is a powerful example. The Supreme Court used PIL to directly address the issue of bonded labor – one of the most entrenched forms of exploitation in India. The court directed the government to implement policies and laws to eradicate the practice, showcasing the judiciary’s willingness to intervene in socioeconomic matters that had long been neglected by the executive.

Similarly, D.K. Basu v. State of West Bengal (1997) laid down comprehensive guidelines to prevent custodial torture and deaths. The court turned the prevention of state-inflicted violence into an enforceable standard, making it clear that no person in state custody could be treated as less than human.

The future of PIL in India 🔗

Public Interest Litigation continues to evolve. In recent years, PIL has been used to address challenges that would have been unimaginable a few decades ago – from digital rights and online free speech to healthcare access during the COVID-19 pandemic. Courts were petitioned to address the breakdown of medical infrastructure, regulate drug prices, and ensure equitable vaccine distribution. These cases reinforced the state’s obligation to protect public health and demonstrated PIL’s adaptability to contemporary crises.

Emerging areas such as climate change, artificial intelligence regulation, and data privacy are likely to become the next frontiers of PIL jurisprudence. The judiciary’s capacity to respond to these challenges will depend on how effectively it balances its activist role with the need for institutional restraint – ensuring that PIL remains a tool for justice, not a substitute for democratic governance.

What do you think? If the judiciary had not developed PIL as a mechanism, which sections of Indian society do you believe would have been most severely affected – and why? Do you think courts should have the authority to step in when the legislature and executive fail to protect fundamental rights, or does this risk undermining the balance of power between the three branches of government?

References

1. https://www.legalserviceindia.com/article/l273-Public-Interest-Litigation.html
2. https://www.drishtijudiciary.com/blog/understanding-pils-impact-on-society-and-judicial-overreach
3. https://www.drishtijudiciary.com/editorial/public-interest-litigation-pil
4. https://www.thelawadvice.com/articles/hussainara-khatoon-vs-state-of-bihar-a-landmark-judgment-in-indian-judicial-history
5. https://vajiramandravi.com/upsc-exam/public-interest-litigation/
6. https://legalstixlawschool.com/blog/Landmark-PIL-Cases-of-India:-Changing-the-Course-of-History
7. https://www.lawcurb.in/post/role-of-pils-in-expanding-fundamental-rights-in-recent-years
8. https://globalfreedomofexpression.columbia.edu/cases/navtej-singh-johar-v-union-india/
9. https://ijlsss.com/public-interest-litigation-in-india-a-judicial-pathway-to-social-justice/