1 silly question to all IRI fans,why railway have not given the seperate colour code to the LHBfied trains (except rajdhani),e.g. Sampoorna kranti,poorva exp. etc. ,y they r in red rajdhani colour??3 trains have just passed from my adjecent track & can't got that which 1 is rajdhani & which 1 is general exp. ??until& unless just watched out the full train!!