Turn left from the place you are standing and exit from the door. Now turn left and go straight near the wall. Now turn right and go straight. Now slightly turn left and go straight near the beds. Now move a step forward. Now slightly turn right. You will find an open door. Now exit from the door and keep moving forward. You will find stair case. Now go straight. Right now you are in front of the large portrait. That will be your final destination.