Badalta hai bhai.. har division ka alag number hota hai aur Div change hone par number change ho jata.. Janhit Exp exception hai like AP AC Exp ke pas NR ka number tha train ECoR ke pas ja chuki thi..
ab jakar ECoR ka number mila hai usko..
DGHR-RNC ICE pahle SER train thi.. RNC div ka number tha.. ab ECR ka...
more... rake hai DHN-RNC ICE se RSA hai to ECR ke DHN div ka number hai uska