conventional wisdom has it that 12028 is better maintained, but shocked to see 12028's pathetic exteriors, interiors were better though.
IR should ban ads on shatabdi exteriors, the 'buy one get one free' levista ads were a disgrace.
historically CDO SBC is better than CDO basin bridge, but 2007 has drastically improved after the swarn makeover.
SBC CDO is focussing only on RC-BGM trains,...
more... look at KK's exteriors, vomit stains visible even pre-departure to NDLS !