Lal, Chhedi2006-01-012026-07-022006-01-011967https://dans.nls.ac.in/handle/123456789/5789This is a supplementary document. Report of the Study Group on Coal constituted by the National Commission on Labour in 1967.enNational Commission on Labour (NCL)Coal IndustryEmploymentWorking ConditionsLiving ConditionsMines SafetyReport