NCR - maar bhi, raftaar bhi - Harshit Sharma

Tapti Ganga Express/2945⇒12945
DOJ: Sun May 01, 2011
From: Surat/ST
To: Varanasi Junction/BSB
Date of Journey: Sun May 01, 2011 @ 09:35
Class:...
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Sleeper - SL
Passenger 1: Waitlist# 296 (Booking Status: W/L 725, GNWL)
Passenger 2: Waitlist# 297 (Booking Status: W/L 726, GNWL)
Passenger 3: Waitlist# 298 (Booking Status: W/L 727, GNWL)
Chart NOT Prepared
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As you can see this is the first day of booking for this train. The posting time was 09:35 hrs. So we can assume that the booking started only 90 mins before the purchase of this ticket. This train has 13 SL coaches. So we can assume that approximately 700 berths should have been available in the GN quota.
Going by the calculation more than 1400 tickets were booked and more than 425 tickets were cancelled in the short period of 90 mins.
Is their a mischief going on or is it practically possible?
Reference: /blog/post/103925