You are at the entrance of the room, facing towards the another room, turn right and walk through the walk way till you find the open entrance in front of you, towards left there is a round table, slightly turn right and go straight near the table which is in front of you, walk one step forward, now you are in front of the closed door, go straight towards the first step which is towards you right, now yo are in front of the stair case, this would be your final destination.