On Jul 26th 12433 Chennai NZM Rajdhani took 27hrs and 25mins according to trainenquiry. This is its best run so far. I think they should stick to these timings as the timing of 8:10 is more convenient for chennai passengers.
Station NameAct. ArrivalAct. Departure
CHENNAI CENTRAL 08:10 AM
VIJAYAWADA JN...
more... 01:57 PM
02:01 PM
WARANGAL 04:26 PM
04:29 PM
NAGPUR 10:05 PM
10:15 PM
BHOPAL JN 03:40 AM
03:50 AM
JHANSI JN 06:56 AM
07:07 AM
GWALIOR JN 08:14 AM
08:17 AM
AGRA CANTT 09:27 AM
09:32 AM
DELHI H NIZAMUDDIN 11:35 AM