On 07/12/23, one hour late running 12596 GKP Humsafar looped on Mankapur Jn and stopped for 45 minutes to pass on-time 12553 Vaishali Express.
12596 hauled by WAP 4 22264 of GKP Shed.
12554 hauled by WAP 7 37141 of CNB Shed.
24 year old WAP 4 was never able to reach MPS of 130 between GZB and CNB.