Turn left from the place you are standing and go straight near the small wooden table. Now slightly turn right and go straight. Now again slightly turn right and go straight. On the right side you will find an open door. Now keep moving forward. Right now you are in front of the plant. Now slightly turn right. You will find an open door. Now go near the open door. Now slightly turn right. You will find another open door. Now enter into the door. Now turn left and go straight. Right now you are standing in front of the portrait. Now turn right and go straight. Right now you are in front of the glass window. That will be your final destination.