It is impractical to wipe out subsidy in a single stroke by doubling/ trebling the fares.
It is to be done in steps so that people are in a position to bear it and gradually become habitual of paying somewhat realistic fares.
% recovery of costing for Mumbai suburban should be better , Since it was giving good operational surpluses earlier, the recovery should be much better.
IR...
more... does not release the data about the recovery in details like recovery in ACIII/ACII,SL classes, Mum/Kolkata/Chennai suburban etc.. It say 57% recovery as a whole.