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Workers held captive in Indian mills supplying Hugo Boss

"Luxury fashion retailer Hugo Boss said it has found cases of forced labour, a form of modern slavery, in its supply chain. Young female workers have been held captive behind the walls of garment factories in southern India and prevented from leaving the premises at any time."

... around Tirupur, Palladam and Dindigul in Tamil Nadu. Sulochana cotton mills and Sri Shanmugavel mills.
From The Hindu: HC direction to govt. on ‘Sumangali’ scheme "The Madras High Court has directed the State government to analyse the conclusions and recommendations given by District Monitoring Committees, which have suggested strong measures against the alleged practice of camp coolie system in the name of Sumangali system in textile mills across the State."