From morning 7 to night 9 Busses are not allowed to pass through VIP road, MP Nagar(major city part) same in Indore too, so they takes ayodhaya bypass road thus taking more time(same longer route in Indore too), Busses takes 3:30 hrs from Bairagarh to Radisson square (city corner to city corner) but From ISBT to Banganga(end to end) bus journey is about 4:30hrs.
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As train is proposed as unreserved train so how come fare will be higher than superfast unreserved fare,
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General class fare in Overnight is ₹94
Let's consider 20% extra fare, fare would be ₹113(approx)
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If we consider 2S SF fare, base fare in SF 2S is ₹85 and increase it on the basis of Special fare by 20% + SF charge+ booking charge still It'd be ₹135(approx)
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DD had TT of 3hour35min with 5 halts n this would be nonstop(as proposed)
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DD was failed badly because that time busses had ₹275 fare and DD had ₹390 and Busses took 3:30hrs end to end with pic up and drop facility within the major city parts(which was too convinent for most of the people), now scenario has been changed Busses are charging ₹350-375 taking longer route and this proposed train is way cheaper, so hope for the best.
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And As you travelled in September you definitely have a idea of passenger traffic of this route.