It's all about the timing..Every time BSK departs ahead of GD from GKP on it's schdld time it runs like a Rajdhani and arrives each station 20 25 min odd early..Today was one of that day..And even in LKO-CNB section there weren't any train for it to OT or clash or get trolled..So it got an all clear route btwn GKP-LKO-CNB..So bang before time..