* It would be very good if Reservation on demand is available and that too at normal fares.
* Practically it looks possible only after capcaity of saturated sections is duly augmented.
* By 2020, we can expect JNPT-Dadri and Ludhiana-Sonnngar DFCs to be operational and Reservation on demand may be possible on routes like Mumbai-Ahmedabad/Delhi, Delhi-Kanpur/Lucknow/Varanasi/Patna etc but for throughout IR network, it will be difficult.
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more... When reservation on demand is available on any route, the rail traffic shall increase drastically, as people going by other means, or cancelling/postponing their journey, due to non-availablility of confirmed rail-reservation shall then travel by train.