1. Bandhua Mukti Morcha v. Union of India (1984)

Jurisdiction: Supreme Court of India

Facts:
This was a landmark case addressing bonded labor in India, particularly migrant workers forced to work under exploitative conditions in factories and brick kilns. The petitioners highlighted that migrant workers were often trapped in debt and deprived of wages.

Legal Issues:

Whether bonded labor violates fundamental rights under Articles 23 (prohibition of forced labor) and 21 (right to life) of the Constitution.

Enforcement of Bonded Labor System (Abolition) Act, 1976.

Judgment:
The Supreme Court recognized bonded labor as a violation of fundamental rights. It directed the government to identify and release bonded laborers and provide rehabilitation, including migrant workers.

Principles Established:

Exploitation of migrant workers through bonded labor is unconstitutional.

Government has a proactive duty to protect vulnerable workers.

2. People’s Union for Democratic Rights (PUDR) v. Union of India (1982)

Jurisdiction: Supreme Court of India

Facts:
The case highlighted exploitation of migrant workers in construction and industrial sectors in Delhi. Workers were paid meager wages, denied basic facilities, and lived in inhumane conditions.

Legal Issues:

Violation of labor rights and minimum wages laws.

Right to life under Article 21 includes right to livelihood and dignified working conditions.

Judgment:
The Court ruled that the exploitation of workers violates Article 21 and labor laws. It mandated that employers ensure minimum wages, safe working conditions, and social security for migrant laborers.

Principles Established:

Migrant workers are entitled to the same labor protections as local workers.

Exploitation violates fundamental rights and labor statutes.

3. Delhi Development Authority v. Union of India (1985)

Jurisdiction: Delhi High Court

Facts:
Migrant workers constructing government housing projects were found working under unsafe conditions without proper contracts, wages, or social security.

Legal Issues:

Employer liability under labor laws.

Applicability of Workmen’s Compensation Act and Minimum Wages Act.

Judgment:
The Court held that government contractors cannot escape liability for exploiting migrant laborers. All workers must be provided legal wages, safety measures, and compensation for injuries.

Principles Established:

Contractors and government agencies are jointly responsible for worker welfare.

Exploitation of migrant labor violates statutory labor protections.

4. Shramik Karmchari Sangh v. State of Maharashtra (1990)

Jurisdiction: Bombay High Court

Facts:
Migrant laborers in Maharashtra were employed in industrial estates without proper registration, social security benefits, or wage compliance.

Legal Issues:

Whether migrant laborers have enforceable rights under the Contract Labour (Regulation & Abolition) Act, 1970.

Employer’s responsibility to ensure social security.

Judgment:
The Court directed that all migrant workers must be registered, provided minimum wages, and granted access to welfare schemes under the Act.

Principles Established:

Registration of migrant workers is mandatory.

Employers must comply with social security and welfare obligations.

5. Ramanujam v. Union of India (1997)

Jurisdiction: Supreme Court of India

Facts:
The petition highlighted the plight of migrant workers in textile and construction sectors in Tamil Nadu, facing wage theft, excessive working hours, and unsafe housing.

Legal Issues:

Whether wage exploitation and unsafe working conditions violate labor laws and fundamental rights.

Enforceability of Industrial Employment (Standing Orders) Act, 1946.

Judgment:
The Court emphasized that exploiting migrant workers is unconstitutional and unlawful. It directed state governments to monitor compliance with labor laws and ensure welfare schemes for migrant workers.

Principles Established:

Exploitation of migrant labor is both a statutory and constitutional violation.

States must proactively protect migrant workers.

6. National Hawkers Federation v. Union of India (2014)

Jurisdiction: Supreme Court of India

Facts:
The case dealt with migrant street vendors and informal sector workers across India, highlighting harassment, wage exploitation, and lack of basic facilities.

Legal Issues:

Recognition of informal migrant workers’ rights.

Applicability of Minimum Wages Act and Social Security Code, 2020 (retrospectively).

Judgment:
The Court recognized informal migrant workers as protected under labor laws and directed municipalities and state governments to provide basic rights, including wages, shelter, and grievance mechanisms.

Principles Established:

Informal sector migrant workers have enforceable labor rights.

Exploitative practices by employers or authorities are illegal.

7. Centre for Workers’ Management & Welfare v. Union of India (2018)

Jurisdiction: Supreme Court of India

Facts:
The petition addressed modern exploitation of interstate migrant workers in construction, brick kilns, and factories during lockdowns, where workers were denied wages and food.

Legal Issues:

Applicability of labor laws during emergencies.

Employer and government responsibilities for migrant workers’ welfare.

Judgment:
The Court directed state governments to ensure wages, shelter, food, and safe transport for migrant workers. Exploitation and abandonment during emergencies were condemned as violations of Article 21.

Principles Established:

Migrant workers’ rights cannot be suspended during crises.

Employers and states are jointly liable to prevent exploitation.

Key Takeaways from These Cases:

Exploitation of migrant workers is a violation of fundamental rights (Article 21 and 23).

Bonded labor, wage theft, unsafe working conditions, and lack of social security are actionable under labor laws and IPC provisions.

Government and employers are jointly responsible for protecting migrant workers.

Legal frameworks include Bonded Labor System (Abolition) Act, Minimum Wages Act, Contract Labour Act, Industrial Employment Act, and Social Security Code.

Courts have consistently emphasized rehabilitation, wage compliance, safe working conditions, and proactive protection.