Introduction
Death in custody remains one of the gravest concerns of any criminal justice system. Imprisonment lawfully restricts liberty, yet it never extinguishes the fundamental rights to life, dignity and humane treatment. A custodial or prison death is any death occurring while a person remains under the official custody or jurisdiction of a correctional institution, including during hospital treatment or official transfer. While some deaths result from natural illness or unavoidable medical conditions, those arising from torture, negligence, excessive force, suicide linked to institutional failures, or foul play raise serious questions of accountability. Protecting the life, health and safety of every person in custody is therefore not merely an administrative duty but a fundamental responsibility of the State.
Understanding the Causes of Prison Deaths
Prison deaths may be classified as natural or unnatural. Natural deaths commonly stem from illnesses such as heart and respiratory diseases, cancer, kidney or liver disorders, tuberculosis and other medical conditions—often aggravated by poor healthcare, poverty or substance dependence both before and during imprisonment. Unnatural deaths arise from suicide, homicide, accidents, violence, excessive use of force or other suspicious circumstances and require careful investigation to identify possible institutional failures. Prison populations include convicts, undertrials, detenues, foreign nationals awaiting repatriation and civil prisoners, each facing distinct legal, social and psychological pressures that affect their health and well-being in custody.
| Type of Prison Death | Common Causes | Key Concern |
|---|---|---|
| Natural Deaths | Heart and respiratory diseases, cancer, kidney or liver disorders, tuberculosis and other medical conditions | Poor healthcare, poverty or substance dependence |
| Unnatural Deaths | Suicide, homicide, accidents, violence, excessive use of force or other suspicious circumstances | Possible institutional failures requiring careful investigation |
Imprisonment as a Public Health Challenge
Incarceration constitutes a critical public-health issue. Most prisoners come from disadvantaged backgrounds and enter custody with pre-existing, untreated conditions—chronic illnesses, addiction and mental-health disorders. Overcrowding, poor sanitation and high-security isolation frequently worsen these physical and psychological problems. Treating correctional healthcare as an extension of public health is essential: the vast majority of incarcerated individuals eventually return to society, where untreated conditions continue to affect their families and communities.
The Human Dimension of Custodial Death
A death in custody has consequences far beyond prison walls. For the family of the deceased, the news often brings profound emotional trauma, especially when the circumstances remain unclear. Authorities must therefore act with transparency, sensitivity and dignity. The next of kin should be informed promptly; the body must be treated respectfully; and all legal procedures—including inquest and post-mortem examination—should be completed without unnecessary delay. Human Rights Commissions and concerned administrative and judicial authorities must also be notified in accordance with applicable rules.
Transparent communication is essential. Delays, secrecy or conflicting explanations readily create suspicion of torture, negligence or cover-up. Proper supervision during removal and transfer of the body, coordination with investigating authorities, and the timely return of remains to the family are basic requirements of humane administration.
The Importance of Reliable Data
Accurate, properly classified data is indispensable for preventing prison deaths. Without it, governments cannot identify patterns or design effective policies. Statistics should distinguish natural from unnatural deaths and record relevant factors such as age, illness, mental-health conditions, substance dependence, suicide, violence, medical treatment and the circumstances surrounding death.
Reliable figures reveal systemic weaknesses—shortages of doctors and nurses, inadequate mental-health services, poor emergency facilities and failures in addiction treatment. They also highlight whether particular prisons, regions or categories of prisoners face elevated risk. Transparency thus becomes a tool of accountability: when prison mortality is properly documented and analysed, preventable deaths can be identified and addressed rather than accepted as inevitable.
Custodial Mortality and Statutory Oversight Mechanisms
Custodial mortality remains a critical institutional challenge requiring stringent accountability. Under Section 196 of the Bharatiya Nagarik Suraksha Sanhita (BNSS), 2023, every instance of custodial death mandates independent statutory checks—including judicial or magisterial enquiries, parallel police investigations, mandatory 24-hour forensic autopsies, and direct notifications to Human Rights Commissions and next of kin. Supported by state jail codes and judicial mandates, these multi-tiered legal safeguards aim to determine the precise cause of death, detect institutional negligence or abuse, and reinforce transparency within the correctional framework.
Structural Problems Affecting Prison Mortality
Prison deaths are closely linked to structural weaknesses. Overcrowding strains accommodation, sanitation, healthcare, security and staff supervision. Limited financial resources leave inadequate provision for medical equipment, ambulances, de-addiction facilities and mental-health services. A large proportion of inmates are undertrial, facing prolonged detention, uncertainty, separation from family and difficulties in obtaining bail—all of which heighten psychological stress.
Staff shortages further compound the problem: insufficient numbers of officers, doctors, nurses and psychologists hinder effective supervision and timely emergency response. The COVID-19 period demonstrated how overcrowding, fear and anxiety can rapidly destabilise prisons, highlighting the urgent need for stronger infrastructure, decongestion, healthcare and oversight.
Custodial Mortality in West Bengal: Findings and Drivers
In 2023, West Bengal correctional facilities recorded 157 inmate deaths, consisting of 141 natural deaths (primarily driven by heart disease, lung conditions, and substance withdrawal) and 16 unnatural deaths (mostly suicides by hanging, along with instances of violence and accidents). Under the Bharatiya Nagarik Suraksha Sanhita, 2023, and statutory prison rules, every occurrence triggered mandatory oversight mechanisms—including police inquests, videographed post-mortems, and magisterial enquiries—to ensure institutional accountability.
The persistent mortality rate is largely driven by structural pressures, including severe overcrowding matching the 120.8% national occupancy rate, high undertrial populations facing prolonged detention stress, and persistent gaps in correctional medical staff and mental healthcare. Addressing these outcomes requires targeted reforms focused on expediting undertrial trials, expanding healthcare personnel, and reducing facility overcrowding to protect fundamental inmate health rights.
Custodial Mortality as a National Issue
According to the latest NCRB “Prison Statistics India 2023” report, Indian jails recorded 1,972 prisoner deaths, of which over 90% (1,787 cases) were classified as natural—primarily due to heart disease, respiratory illness, and chronic conditions. Unnatural deaths accounted for 150 cases, with suicide (mainly by hanging) as the leading cause, followed by inmate violence and accidents, reported prominently in states such as Punjab, Haryana, and Uttar Pradesh. These figures are driven by a national prison occupancy rate of 120.8%, where severe overcrowding is largely fuelled by undertrials, who constitute 73.5% of the incarcerated population awaiting trial or investigation.
Measures to Reduce Prison Mortality
Reducing deaths in custody requires a multi-pronged strategy spanning healthcare, administrative reform and legal oversight:
- Reduce overcrowding: Expedite trials, expand bail options and implement alternative community sentencing.
- Upgrade healthcare infrastructure: Ensure adequate medical staff, essential supplies, diagnostic tools and functional ambulances for emergency transfers.
- Enhance mental health and de-addiction support: Conduct routine screenings, provide crisis intervention for high-risk inmates, and offer medically supervised withdrawal and rehabilitation programmes.
- Fill staff vacancies: Recruit doctors, nurses, clinical psychologists, psychiatrists, counsellors and correctional officers in a timely manner.
- Improve living conditions: Upgrade sanitation, ventilation, nutrition and opportunities for physical activity to reduce preventable disease.
- Maintain support systems: Facilitate regular family visits and video calls to reduce isolation, and offer vocational training and education to aid post-release reintegration.
- Strengthen oversight and funding: Ensure independent investigation of all unnatural deaths, maintain strict institutional transparency, and increase budgetary allocations for correctional healthcare and accommodation.
Landmark Judicial Precedents on Custodial Mortality and Prisoners’ Rights
Article 21 and Prisoners’ Rights
The Indian judiciary has consistently affirmed that prisoners retain their fundamental right to life under Article 21 of the Constitution, establishing strict state liability for custodial deaths. In Rudul Sah v. State of Bihar (1983), the Supreme Court recognised monetary compensation as a constitutional remedy for illegal state actions. This principle was crystallised in Nilabati Behera v. State of Orissa (1993), where the Court imposed strict liability on the State for custodial deaths, holding compensation to be a public law remedy for fundamental rights violations.
Custodial Violence and Institutional Transparency
In D.K. Basu v. State of West Bengal (1997), the Court laid down mandatory procedural guidelines to prevent custodial violence and ensure institutional transparency. Expanding these principles to correctional administration, Re-Inhuman Conditions in 1382 Prisons (2017) directly tackled unnatural deaths, overcrowding, and medical negligence, mandating alignment with the international UN Nelson Mandela Rules and automatic compensation for unnatural custodial deaths.
International Standards on Prisoners’ Rights
Internationally, courts have echoed this universal imperative. In R v. Secretary of State for the Home Department, ex parte Daly (2001), the UK House of Lords affirmed that incarcerated individuals retain all fundamental rights not expressly stripped by imprisonment. The European Court of Human Rights in Kudła v. Poland (2000) established that failing to provide adequate medical care in detention constitutes a violation of Article 3 (prohibition of inhuman or degrading treatment) of the European Convention on Human Rights.
United States Jurisprudence on Prison Healthcare
Similarly, in Estelle v. Gamble (1976), the U.S. Supreme Court held that “deliberate indifference” to an inmate’s serious medical needs violates the Eighth Amendment’s protection against cruel and unusual punishment.
Recent Indian Decisions on Custodial Deaths
Recent judicial decisions strictly enforce state accountability, independent investigations, and fundamental human rights to eliminate custodial violence and medical neglect. In India, the Supreme Court in Hansura Bai v. State of Madhya Pradesh (2025) invoked the principle of nemo judex in causa sua to mandate that custodial deaths involving police must be investigated by an independent agency such as the CBI, rather than local police.
This zero-tolerance approach was reinforced in Lahra Bai Tamare v. State of Chhattisgarh (2026), where the Court ordered a CBI probe, penalised state authorities for cover-ups through misleading medical reports, and awarded ₹25 lakh interim compensation to the victim’s family under constitutional public law remedies.
European Human Rights Standards
Internationally, these standards align with rulings of the European Court of Human Rights, such as Poltoratskiy v. Ukraine and Slimani v. France, which affirm that Article 3 (prohibition of inhuman treatment) and Article 2 (right to life) of the ECHR impose positive obligations on states to provide adequate healthcare and conduct prompt, independent, and effective investigations into all prison deaths.
Continued United States Prison Jurisprudence
In the United States, jurisprudence expanding on Estelle v. Gamble (1976) continues to hold correctional administrators strictly liable under the Eighth Amendment for deliberate indifference to inmates’ serious physical and psychological needs.
Strict State Accountability
Collectively, these national and international precedents establish a non-negotiable doctrine of strict liability, ensuring that state authorities remain fully accountable for the life, health, and procedural fairness owed to every individual in custody.
Conclusion
Every death in custody demands serious attention. While not all prison deaths are preventable, preventable deaths are unacceptable. Prisoners retain their fundamental rights to life, dignity, healthcare and protection from abuse; custodial mortality is therefore a matter of human rights, public health and criminal justice, not merely prison administration. Overcrowding, delayed trials, inadequate healthcare, mental illness, addiction, staff shortages and poor infrastructure elevate these risks.
Strengthening correctional healthcare, mental health and de-addiction services, living conditions, staffing and access to timely justice is essential. A modern and civilised correctional system must be judged not only by its capacity to confine individuals but also by its commitment to protecting the life and dignity of those placed entirely in the state’s custody.

