very useful explanation, but looking at interior of the coaches will dilute all concept of "maintenance"
dust, noisy fans, flickering lights, broken hand-rests. The roof (specially area between lights) is filled with spiders & webs.
For a second i thought this might be the Jan "spidermam" shatabdi :P
(Ranchi JS suffered ever since the rsa with PNBE-HWH JS started)