(a) the details of the Railway Zones in the country;
(b) when each of the above Railway Zones were created and the reasons for creating each of such zones;
(c) whether every new Railway Zone created fulfilled the factors like size, workload, accessibility, traffic pattern, operational and administrative requirements;
(d) if so, Zone-wise details with statistics thereof; and
(e) the Gross income of each Division since its creation, division-wise and zone-wise?