Tickets are booked e2e only due to quota structure, Few passengers say around 10-15% must be getting down at intermediate stations but anyways fare collected will be max possible due to e2e bookings
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The booking system is of Premium trains is not correct, i.e the fares increase as time passes and NOT as the availability vanishes so even if 100 berths remain vacant 1 day before the journey i will be charged maximum fare say around 5k for a 2A berth when i have the option of Tatkal as well in Rajdhani...
more... trains the fare of which is around 2200 rupees (see the difference in fares) moresoever there is nothing premium about these premiums (same coaches, same speed, same food)
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Also revenue from conventional specials too can be increased by increasing the RAC berths, keeping single quota for all stations which means atleast 30% berths get utilised twice (bringing 1.5-2 returns against 1 berth)...