Okay right now you are facing towards silver wall. Turn to your left and walk straight towards the black chair in front of you. Once you reach near the black chair, turn slightly left and walk straight. Now you see stairs to the right side. Climb up the stairs. Once you climb up the stairs, turn around and Climb down the stairs. Now again turn around and Climb up the stairs and move slightly towards your right side. Now you are in front of the red colour cupboard. Now turn slightly left and you see three black chairs in front of you. Walk straight towards them. Now turn slightly right and walk straight till you reach the open door to your left side. That is the end point.