How?
22803 takes 10 hrs 50 min
20831 takes 11 hrs 10 min
That means 22803 is faster by 20 min.
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22804 takes 11 hrs 10 min
20832 takes 12 hrs 10 min
That means 22804 is faster by 1 hr.
Also, 20831/32 runs via - Talcher with a reversal and 15 min/20 min stop in each direction, respectively.
Please don't post any misleading/incorrect data.