Why is ticket cancellation easier for flyers than for rail passengers?

In a bizarre situation, railway passengers in India would now be penalised more for ticket cancellations than air travellers

The Directorate General of Civil Aviation (DGCA) released new draft rules as part of its citizens’ charter on Tuesday that seems to indicate that PM Narendra Modi is serious about helping people wearing “hawaai chappals (bathroom slippers) fly in hawaai jahaaz (aeroplanes).” As an unintended consequence, railway passengers may have been reduced to second class travellers as many of them would have to pay cancellation fee more than that charged by airlines if the new rules are approved.

Among other things, the draft charter suggests radical intervention in regulating cancellation charges of domestic air tickets which for long have