Understanding Disability: From Medical Models to Human Rights

How we define disability says a lot about how we treat people living with it. For most of human history, disability was seen as misfortune, medical defect, or divine punishment – something that resided entirely within the individual and needed to be fixed, cured, or pitied. That understanding has shifted dramatically over the decades. Today, international law and progressive national legislation like India’s Rights of Persons with Disabilities Act, 2016 recognize disability not as a personal tragedy but as a dimension of human diversity that demands rights, dignity, and inclusion. Understanding how we arrived at this point – through the charity model, the medical model, the social model, and finally the human rights model – is foundational knowledge for any law student working in the disability rights space.

Why the definition of disability matters
The charity model: disability as personal tragedy
The medical (bio-centric) model: disability as individual pathology
The social model: disability as socially constructed exclusion
The human rights model: disability as human diversity
How India’s law reflects this evolution
Practical implications for legal practice

Why the definition of disability matters

Definitions are not neutral. The way disability is defined in law and policy directly determines who receives benefits, what remedies are available, and how courts interpret constitutional guarantees. A definition rooted in medical pathology will produce different legal outcomes than one rooted in social exclusion or human rights. For law students and practitioners in India, understanding which model of disability underpins a particular statute or judicial decision is essential to making effective arguments for clients with disabilities.

Broadly, models of disability address a few central questions: What causes disability? Where does the problem lie – in the individual or in society? What is the appropriate response? The four main models – charity, medical, social, and human rights – each answer these questions differently, and the differences have real legal and policy consequences.

The charity model: disability as personal tragedy

The oldest and most enduring popular conception of disability is the charity model. Under this framework, persons with disabilities are seen as victims or objects of pity, their impairment being their main identifier. They are passive recipients of care, goodwill, or religious merit – not rights-bearing individuals. Society’s obligation is one of generosity, not justice.

This model shaped much of early Indian social policy on disability, which was embedded within welfare departments and charitable institutions rather than rights-based frameworks. The language of charity is not merely historical; it persists in everyday attitudes and even in political discourse. When a government rebrands persons with disabilities as divyang (divine-bodied), disability rights advocates have rightly pointed out that such framing elicits pity and emphasizes the need for generosity rather than treating disabled individuals as equals. Calling disability a divine gift does not dismantle stigma or structural exclusion – it simply reframes it in spiritual terms.

The legal problem with the charity model is fundamental: charity is discretionary. It can be withdrawn. It creates no enforceable entitlement. Courts cannot compel compassion. This is precisely why the shift to rights-based frameworks matters so deeply.

The medical (bio-centric) model: disability as individual pathology

The medical model, which became dominant with industrialization and standardized workforce expectations, locates the problem squarely within the individual. Under this model, impairment is viewed as a problem located in an individual – a defect of the body or mind that must be diagnosed, classified, and treated. The goal is cure or rehabilitation: making the person as “normal” as possible so they can function within an unchanged society.

In legal and administrative terms, the medical model translates into a system where access to rights and benefits depends on clinical certification of impairment. Disability is defined by what a person cannot do, measured against a medical standard of “normal” functioning. India’s earlier legislation, the Persons with Disabilities (Equal Opportunities, Protection of Rights and Full Participation) Act, 1995, was largely grounded in this approach – it listed seven specific conditions (blindness, low vision, hearing impairment, locomotor disability, mental retardation, mental illness, and leprosy-cured) and tied eligibility to medical documentation of those conditions.

The bio-centric or functional model, a variant of the medical approach, focuses on what functions a person can or cannot perform. It is less about diagnosis and more about functional capacity – can the person work, communicate, or care for themselves? While slightly broader than a purely clinical framework, it still treats disability as an individual limitation that must be assessed and categorized before rights attach.

The medical model is not without utility – medical assessment is still necessary for some forms of accommodation and support. But as a definition of disability for legal purposes, it is inadequate. It ignores the role of environment and social structures in creating barriers, and it positions persons with disabilities as patients rather than rights-holders.

The social model, which emerged from the disability rights movement in the 1970s, made a crucial distinction that fundamentally reoriented the entire field. Impairment refers to the physical or mental condition itself; disability refers to the social, environmental, and attitudinal barriers that restrict people’s participation. Under this framework, a person who uses a wheelchair is not disabled by their inability to walk – they are disabled by buildings without ramps, public transport without low floors, and workplaces that refuse reasonable adjustments.

The social model proposes that what makes someone disabled is not their medical condition, but the attitudes and structures of society. It is a civil rights approach. If the built environment, institutional practices, and social attitudes were designed to include people with impairments, the exclusion we call “disability” would be substantially reduced or eliminated.

This shift is transformative for legal advocacy. Instead of asking “what is wrong with this person?”, the social model asks “what barriers has society erected that prevent this person from participating equally?” That reframing opens up a completely different set of legal arguments – ones focused on systemic reform, accessibility mandates, and institutional accountability rather than individual limitation.

India’s engagement with the social model deepened significantly after it signed and ratified the UN Convention on the Rights of Persons with Disabilities (UNCRPD) in October 2007. The UNCRPD proceeds from the understanding that disability results from an interaction between impairments and attitudinal and environmental barriers – precisely the social model’s core insight. Ratification created a legal obligation for India to bring its domestic laws into conformity with this understanding.

The human rights model: disability as human diversity

The human rights model builds on the social model but goes further. Where the social model is primarily about removing barriers, the human rights model is grounded in the inherent dignity and equal worth of every human being. The goal of the human rights model is to promote the emancipation, dignity, and equality of disabled people – affirming that disability is a human rights issue, not a personal tragedy.

This model recognizes that persons with disabilities have the same indivisible human rights as everyone else – civil, political, economic, social, and cultural. Disability must not be used as a justification to restrict or deny those rights. The focus shifts from what society must stop doing (erecting barriers) to what it must affirmatively do: ensure participation, dignity, autonomy, and inclusion as a matter of legal obligation.

The UN Convention on the Rights of Persons with Disabilities is widely understood to manifest a paradigm shift from the medical to the human rights model of disability – moving disability policy from a three-tiered approach of definition, prevention, and rehabilitation toward a framework centered on equality of opportunity and rights protection. The CRPD’s stated purpose is to promote, protect, and ensure the full and equal enjoyment of all human rights by all persons with disabilities, and to promote respect for their inherent dignity.

The social and human rights models are best understood as complementary rather than competing. The social model provides the political and analytical foundation – disability is a product of social barriers, not individual deficiency. The human rights model provides the legal architecture – disability rights are enforceable entitlements, not acts of charity or administrative discretion.

How India’s law reflects this evolution

The Rights of Persons with Disabilities Act, 2016 (RPWD Act) represents India’s most significant legislative shift toward the human rights model. Principles stated for the empowerment of persons with disabilities include respect for inherent dignity, individual autonomy including the freedom to make one’s own choices, nondiscrimination, full and effective participation and inclusion in society, and acceptance of disabilities as part of human diversity and humanity.

The Act defines a “person with disability” as someone with a long-term physical, mental, intellectual, or sensory impairment which, in interaction with barriers, hinders their full and effective participation in society on an equal basis with others. That phrase – “in interaction with barriers” – is the social model encoded directly into statutory language. Disability is no longer treated as a fixed medical category; it is understood as a dynamic relationship between an individual and their environment.

The Act expanded recognized categories of disability from 7 to 21, moving well beyond the narrow medical categories of the 1995 legislation. It also introduced the concept of “barrier” in its definitions – covering communicational, cultural, economic, environmental, institutional, political, social, attitudinal, and structural factors that hinder participation. This definitional broadening is itself a statement about how disability is understood: not as a fixed bodily condition, but as an experience shaped by context.

By ratifying the UNCRPD, India took on obligations to transform the treatment of persons with disabilities from being objects of charity to subjects with rights who can claim those rights. The RPWD Act, 2016 is the primary legislative instrument through which India has attempted to fulfill those obligations.

Practical implications for legal practice

For law students in India, the model of disability is not an abstract theoretical question – it shapes how you read constitutional provisions, interpret statutes, and build legal arguments. Articles 14 and 15 of the Indian Constitution, guaranteeing equality and prohibiting discrimination, are interpreted very differently depending on whether you approach disability through a medical or a human rights lens. A medical model reading asks whether a medical condition has been properly classified; a human rights model reading asks whether a person has been excluded from full participation in public life because of barriers that the state has failed to remove.

In judicial interpretation, Indian courts have gradually moved toward the social and human rights models. Upon ratification of the UNCRPD, a presumption arose that the Indian legal order embraced the social and human rights models of disability, and that the judiciary is enjoined to be cognizant of and sensitive to these presumptions while interpreting the Constitution and other laws. Cases like Vikash Kumar v. UPSC (2021), where the Supreme Court recognized the need for reasonable accommodation as a rights-based entitlement rather than an administrative discretion, reflect this judicial evolution.

Understanding these models also shapes how you counsel clients. Rights-based arguments – focused on systemic barriers, the state’s positive obligations, and the client’s inherent dignity – tend to produce more durable and meaningful remedies than arguments that simply seek medical accommodation for an individual’s clinical condition.

What do you think? If a person is denied employment because a building lacks a ramp and an elevator – is that a medical problem or a legal one? And when India’s courts interpret the RPWD Act, 2016, should they be bound by the medical definitions used in certification processes, or should they take a broader view of disability consistent with the human rights model the Act claims to embrace?

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Table of Contents

Why the definition of disability matters 🔗

The charity model: disability as personal tragedy 🔗

The medical (bio-centric) model: disability as individual pathology 🔗

The social model: disability as socially constructed exclusion 🔗

The human rights model: disability as human diversity 🔗

How India’s law reflects this evolution 🔗

Practical implications for legal practice 🔗

References

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