even the ardent sk fans know that where sk stands (allahabad duru and sealdah duru) are two trains which can beat SK on any day in any hour, any minute and any second.Remember the days of SK rescheduling,these trains had journey time less than the rescheduling hours of SK.as far as ndls mgs is concerned sk enjoys rajdhani clearance with same mps and non stop run.While sealdah and allahabad duru create their own path.check blogs of sealdah and allahabad duru and look at avg speeds between ndls ald mgs sealdah and allahabad duru are distict birds to be caged in sk achivement prison, sk doesn't even matches howrah/bhubaneswar duru in every run ex ndls mgs.