Various forms of slavery, including child labour, are present in more than 90 percent of south India's spinning mills which produce yarn for Western brands, researchers said, calling for mapping of supply chains and tougher audits. The India Committee of the Netherlands (ICN), a human rights organisation, spoke to workers from almost half the mills in Tamil Nadu, the largest producer of cotton yarn in the country. Most female workers employed in the 734 mills involved in the research were aged between 14 and 18, it said, and up to 20 percent of the workers were younger than 14.

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