(a) whether passenger trains under various railway zones are run by the general vacuum and air brake system as on date;
(b) if so, the number of passenger/mail and express trains run by general vacuum and air brake system, zone-wise;
(c) whether the Government propose to convert the passenger mail/express trains running by the general vacuum system into air brake system;
(d) if so, the details thereof alongwith the funds earmarked under the railway safety fund in this regard;
(e) the time by which all the passenger mail/express trains are liokely to be converted into the air brake system;and
(f) if not, the purpose of having railway safety fund?