Multiple trains from Prayagraj can be extended to chopan, this one and earlier unchahar was also probable for contender but now it has been sent to Prayagraj sangam so it will be difficult.
JP- PRYJ can be done as following it will have sufficient time :
PRYJ...
more... Dep 05:00
MZP 6:15
CAR 6:45
SBDR 8:15
CPU Arrival 9:30
PM at CPU for 9 hrs
CPU Dep 18:30
SBDR 19:15
CAR 21:15
MZP 21:55
PRYJ Arrival 23:00
But Rake ECR dega nahi , aur NCR bhejne se raha apni train to the forever neglected section