women working in mining or stone crushing units often give opium to their infants to keep them quiet while they are working.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/women-labourers-give-opium-infants-keep-them-quiet-while-working-report
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-jaipur
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infants
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-care
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/people
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/women
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-labour
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/jaipur-d