It can do easily when I travelled in uhp anvt SPL it departed jat at 17 30 and reach saharanpur 10 min early
Meerut 30 min early gzb 5 min early
It follows the same slot till meerut
After meerut till khurja have a good slack
And...
more... khurja cnb in 6 hrs is not a difficult task for NCR train in NCR