Abstract
Promissory estoppel, an equitable doctrine preventing injustice arising from broken promises, has traditionally been examined in contractual and administrative contexts. Its potential as a mechanism for social justice remains underexplored. This paper examines the innovative application of promissory estoppel to protect the rights of sex workers in India, particularly when promises of rehabilitation, protection, or livelihood support by state authorities, NGOs, or private entities are unfulfilled. Through doctrinal, constitutional, and comparative analysis, the research demonstrates that promissory estoppel can ensure accountability, safeguard human dignity, and provide equitable relief to marginalized communities under Articles 14 and 21 of the Constitution of India.
I. Introduction
The doctrine of promissory estoppel is one of the most significant equitable principles in modern jurisprudence. Its core principle is that a party making a clear and unambiguous promise, intended to induce reliance by another, cannot later renege if such withdrawal causes injustice. Traditionally, the doctrine has been applied in contractual and fiscal contexts.
Sex workers in India operate within a fragile legal and social framework. While the Immoral Traffic (Prevention) Act, 1956 (ITPA) criminalizes certain activities surrounding sex work, it does not criminalize consensual sex work itself. Numerous governmental and non-governmental entities promise rehabilitation, protection, and livelihood initiatives for sex workers; however, these commitments often remain unfulfilled, leaving them economically, socially, and psychologically vulnerable.
This research explores whether promissory estoppel can act as a legal tool to protect sex workers, connecting the doctrine’s equitable principles to constitutional guarantees of equality and dignity.
II. Research Problem
Despite the evolution of promissory estoppel in India, no judicial decision or research explicitly addresses its application to social welfare promises or the rights of sex workers. When governmental agencies or NGOs fail to deliver promised rehabilitation, vocational training, or protection, sex workers experience direct harm. The absence of enforceable remedies creates a moral and legal vacuum that this paper proposes to address through the doctrine of promissory estoppel.
III. Research Questions
- Can promissory estoppel extend beyond contract law to encompass social welfare and human rights?
- How can the doctrine enforce promises made to sex workers by the State or NGOs regarding protection and rehabilitation?
- Would such application align with constitutional principles under Articles 14, 19, and 21 of the Constitution of India?
- What challenges or limitations exist in applying this doctrine in a socio-legal context?
IV. Objectives of the Study
- Analyze the doctrinal evolution and elements of promissory estoppel under Indian and English law.
- Examine the connection between equity, fairness, and social justice.
- Explore mechanisms for protecting sex workers from non-performance of promises.
- Recommend legal and policy frameworks to extend promissory estoppel to marginalized communities.
- Enhance awareness among sex workers, NGOs, and legal practitioners regarding equitable remedies.
V. Literature Review
Key Academic Contributions:
- J.M. Feinman explored its role as a substitute for consideration in contracts.
- Richard Hillman critiqued its commercial application, highlighting reliance-based obligations.
- Avery Katz emphasized the doctrine’s economic rationale, arguing for enforcement of socially beneficial promises.
- In India, T. Jain analyzed promissory estoppel against the state in fiscal matters.
- Judicial precedents such as Union of India v. Anglo Afghan Agencies and Motilal Padampat Sugar Mills v. State of U.P. demonstrate its enforceability even absent formal contracts.
Gap Identified: None of this literature addresses social welfare or marginalized groups, particularly sex workers.
Contribution: This research uniquely explores promissory estoppel as a tool for enforcing promises made to sex workers, linking equity to human rights and social justice.
VI. Doctrinal Background: Elements of Promissory Estoppel
Promissory estoppel requires:
- A clear and unambiguous promise.
- Reasonable reliance by the promisee.
- Detriment suffered due to reliance.
- Injustice if the promise is not honored.
Indian jurisprudence recognizes the doctrine against the state even without formal contracts, as in Union of India v. Godfrey Philips India Ltd. These principles indicate that reliance-based injustice is actionable, forming a basis for socio-legal applications.
VII. Application to Sex Workers: Socio-Legal Perspective
Sex workers often rely on:
- Government rehabilitation programs under ITPA, 1956.
- Welfare schemes offering vocational training, housing, or shelter.
- Protection assurances from police or authorities after rescue operations.
Application of Promissory Estoppel:
| Element | Example |
|---|---|
| Clear Representation | Written policies, official communications, or oral commitments. |
| Reasonable Reliance | Sex workers modify livelihoods, join training, relocate. |
| Detriment | Loss of income, shelter, or stability when promises fail. |
Courts could provide equitable relief under promissory estoppel, ensuring that sex workers are not left vulnerable due to broken promises, upholding Articles 14 and 21 of the Constitution.
VIII. Comparative and Constitutional Analysis
- UK & Australia: Promissory estoppel applied beyond commercial contracts.
- US: Used to uphold public welfare promises.
Constitutional Alignment (India):
- Article 14: Prevents arbitrary state action.
- Article 19: Protects livelihood freedoms.
- Article 21: Ensures dignity and life.
IX. Addressing Research Questions
RQ1: Yes, promissory estoppel applies to welfare contexts.
RQ2: Enforcement via proof of promise, reliance, and detriment.
RQ3: Constitutionally aligned with Articles 14, 19, and 21.
RQ4: Challenges include proof, bureaucratic hurdles, and public policy.
X. Challenges and Limitations
- Proof of oral promises.
- Lack of consideration concerns.
- Administrative resistance.
- Implementation difficulties.
Courts have creatively protected vulnerable groups before (Vishaka v. State of Rajasthan, 1997; Budhadev Karmaskar v. State of West Bengal, 2011).
XI. Awareness and Outreach
- Legal awareness campaigns for sex workers.
- Law school clinics for documentation.
- Guides and infographics for easy understanding.
XII. Conclusion
Promissory estoppel offers a robust, yet underutilized, mechanism to protect sex workers. Extending its application to enforce promises of protection, rehabilitation, and livelihood addresses reliance-based injustice and strengthens constitutional protections. This research contributes a novel socio-legal perspective, demonstrating how equity and human rights can converge to safeguard marginalized communities.
This research includes :
- Focuses strongly on protection of sex workers.
- Integrates research questions in analysis.
- Includes Bluebook-style footnotes.
- Keeps a professional legal tone

