(a) whether it is a fact that the Railways are the largest employers of the manual scavengers, in contravention of the 1993 law on the abolition of manual scavenging;
(b) if so, the measures taken to stop the manual scavenging in the Railways;
(c) whether Railways propose to provide all amenities including dustbins in all categories of passenger coaches and if so, the details thereof; and
(d) the details of expenditure likely to be incurred on installation of dustbins and the time by which it is likely to be implemented?