A proportion of children in India are engaged in child labour. In 2011, the national census of India found the total number of child labourers (age 5–14) to be 10.12 million, out of the total of 259.64 million children in that age group.Age Data C13 Table (India/States/UTs ), Final Population - 2011 Census of India The child labour problem is not unique to India; worldwide, about 217 million children work, many full-time.

As per the Child and Adolescent Labour (Prohibition and Regulation) Act, 1986, amended in 2016 ("CLPR Act"), a "Child" is defined as any person below the age of 14, and the CLPR Act prohibits employment of a Child in any employment, including as a domestic help; to do otherwise is a criminal offence. Conversely, children between the ages of 14 and 18 are defined as "Adolescent" and are allowed to be employed except in mining, flammable substance- and explosives-related work, and other hazardous processes, per the Factories Act of 1948. In 2001, an estimated 1% of all child workers, or about 120,000 children in India were in a hazardous job. Notably, the Constitution of India prohibits child labour in hazardous industries (but not in non-hazardous industries) as a Fundamental Right under Article 24. UNICEF estimates that India with its larger population, has the highest number of labourers in the world under 14 years of age, while sub-Saharan African countries have the highest percentage of children who are deployed as child labourers. The International Labour Organization estimates that agriculture, at 60 percent, is the largest employer of child labour in the world, while the United Nations Food and Agriculture Organization estimates 70% of child labour is deployed in agriculture and related activities. Outside of agriculture, child labour is observed in almost all informal sectors of the Indian economy.

Companies including Gap, Primark, and Monsanto have been criticised for child labour in their products. The companies claim they have strict policies against selling products made by underage children for their own profit, but there are many links in a supply chain making it difficult to oversee them all. In 2011, after three years of Primark's effort, the BBC acknowledged that its award-winning investigative journalism report of Indian child labour use by Primark was a fake. The BBC apologised to Primark, to Indian suppliers and all its viewers. Another company that has come under much scrutiny was Nike. Nike was under pressure to speak up about alleged sweatshops that harbored children that the company was exploiting to make their sneakers. Since then Nike has come out with a separate web page that specifically points out where they get their products from and where their products are manufactured.

In December 2014, the U.S. Department of Labor issued a List of Goods Produced by Child Labor or Forced Labor and India figured among 74 countries where a significant incidence of critical working conditions has been observed. Unlike any other country, 23 goods were attributed to India, the majority of which are produced by child labour in the manufacturing sector.

In addition to the constitutional prohibition of hazardous child labour, various laws in India, such as the Juvenile Justice (care and protection) of Children Act-2000 and the Child Labour (Prohibition and Abolition) Act 1986, provide a basis in law to identify, prosecute and stop child labour in India.

Definition of child labour The term 'child labour', suggests ILO, is best defined as work that deprives children of their childhood, their potential and their dignity, and that is harmful to physical and mental development. Interferes with their schooling by depriving them of the opportunity to attend school; obliging them to leave school prematurely; or requiring them to attempt to combine school attendance with excessively long and heavy work.

UNICEF defines child labour differently. A child, suggests UNICEF, is involved in child labour activities if between 5 and 11 years of age, he or she did at least one hour of economic activity or at least 28 hours of domestic work in a week, and in case of children between 12 and 14 years of age, he or she did at least 14 hours of economic activity or at least 42 hours of economic activity and domestic work per week. UNICEF, in another report, suggests that "Children's work needs to be seen as happening along a continuum, with destructive or exploitative work at one end and beneficial workpromoting or enhancing children's development without interfering with their schooling, recreation and restat the other. And between these two poles are vast areas of work that need not negatively affect a child's development."

India's Census 2001 office defines child labour as participation of a child less than 17 years of age in any economically productive activity with or without compensation, wages or profit. Such participation could be physical or mental or both. This work includes part-time help or unpaid work on the farm, family enterprise or in any other economic activity such as cultivation and milk production for sale or domestic consumption. Indian government classifies child labourers into two groups: main workers are those who work 6 months or more per year, and marginal child workers are those who work at any time during the year but less than 6 months in a year.

Some child rights activists argue that child labour must include every child who is not in school because he or she is a hidden child worker. UNICEF, however, points out that India faces major shortages of schools, classrooms and teachers particularly in rural areas where 90 percent of child labour problem is observed. About 1 in 5 primary schools have just one teacher to teach students across all grades.

After its independence from colonial rule, India has passed a number of constitutional protections and laws on child labour. The Constitution of India in the Fundamental Rights and the Directive Principles of State Policy prohibits child labour below the age of 14 years in any factory or mine or castle or engaged in any other hazardous employment (Article 24). The constitution also envisioned that India shall, by 1960, provide infrastructure and resources for free and compulsory education to all children of the age six to 14 years. (Article 21-A and Article 45).

India has a federal form of government, and labour being a subject in the Concurrent List, both the central and state governments can and have legislated on child labour.

Factories Act, 1948 The Act prohibits the employment of children below the age of 14 years in any factory. The law also placed rules on who, when and how long can pre-adults aged 15–18 years be employed in any factory

Mines Act, 1952 The Act prohibits the employment of children below 18 years of age in a mine.

The Child Labour (Prohibition and Regulation) Act, 1986- ( CLPR Act ) The CLPR Act prohibits employment of any person below the age of 14 (deemed a "Child") in any employment, including as a domestic help, except in helping their own family in non-hazardous occupations. Children between age of 14 and 18 are instead defined as "Adolescent", and the law allows them to be employed except in mining, flammable substance- and explosives-related work, and other hazardous processes.

Right of Children to Free and Compulsory Education Act, 2009 The law mandates free and compulsory education to all children aged 6 to 16 years. This legislation also mandated that 25 percent of seats in every private school must be allocated for children from economically disadvantaged groups (though implementation gaps remained).

India formulated a National Policy on Child Labour in 1987. This Policy seeks to adopt a gradual & sequential approach with a focus on rehabilitation of children working in hazardous occupations. It envisioned strict enforcement of Indian laws on child labour combined with development programs to address the root causes of child labour such as poverty. In 1988, this led to the National Child Labour Project (NCLP) initiative. This legal and development initiative continues, with a current central government funding of Rs. 6 billion, targeted solely to eliminate child labour in India. Despite these efforts, child labour remains a major challenge for India.

Causes For much of human history and across different cultures, children less than 18 years old have contributed to family welfare in a variety of ways. UNICEF suggests that poverty is the biggest cause of child labour. The report also notes that in rural and impoverished parts of developing and undeveloped parts of the world, children have no real and meaningful alternative. Schools and also teachers are unavailable. Child labour is the unnatural result. A BBC report, similarly, concludes poverty and inadequate public education infrastructure are some of the causes of child labour in India.

Between boys and girls, UNICEF finds girls are two times more likely to be out of school and working in a domestic role. Parents with limited resources, claims UNICEF, have to choose whose school costs and fees they can afford when a school is available. Educating girls tends to be a lower priority across the world, including India. Girls are also harassed or bullied at schools, sidelined by prejudice or poor curricula, according to UNICEF. Solely by virtue of their gender, therefore, many girls are kept from school or drop out, then provide child labour.

The international labour organisation (ILO) and Spreading Smiles Through Education Organisation (OSSE) suggests poverty is the greatest single force driving children into the workplace. Income from a child's work is felt to be crucial for his/her own survival or for that of the household. For some families, income from their children's labour is between 25 and 40% of the household income.

According to a 2008 study by ILO, among the most important factors driving children to harmful labour is the lack of availability and quality of schooling. Many communities, particularly rural areas do not possess adequate school facilities. Even when schools are sometimes available, they are too far away, difficult to reach, unaffordable or the quality of education is so poor that parents wonder if going to school is really worthwhile. In government-run primary schools, even when children show up, government-paid teachers do not show up 25% of the time. The 2008 ILO study suggests that illiteracy resulting from a child going to work, rather than a quality primary and secondary school, limits the child's ability to get a basic educational grounding which would in normal situations enable them to acquire skills and to improve their prospects for a decent adult working life.

An older report published by UNICEF outlines the issues summarized by the ILO report. The UNICEF report claimed that while 90% of child labour in India is in its rural areas, the availability and quality of schools is decrepit; in rural areas of India, claims the old UNICEF report, about 50% of government funded primary schools that existed in 1978-79 did not have a regular building, 40% lacked a blackboard, few have books, and 97% of funds for those publicly funded schools had been budgeted by the government as salaries for the teacher and administrators. A 2012 Wall Street Journal article, reports while the enrollment in India's school has dramatically increased in recent years to over 96% of all children in the 6–14-year age group, the infrastructure in schools, aimed in part to reduce child labour, remains poor over 81,000 schools do not have a blackboard and about 42,000 government schools operate without a building with makeshift arrangements during monsoons and inclement weather.