TY - BOOK AU - India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal) ED - India Labour (National Commission on-). Coal (Study group for_) (Chairman: Chhedi Lal) TI - Report U1 - "X9(F551):9.2.N6t, (GD)" CY - Delhi PB - Manager of Publications India KW - Coal Industry ER -