Turn left from the place where you're standing and move forward till you reach a closed door in front of you. Now slightly turn right and you can see a staircase. Walk all the way up through the staircase. Now you're facing towards a potted plant. Slightly turn left and you can see an half opened door, move towards the entrance. Now turn right and move forward, now you're facing towards a round table. Turn left and you can see an another staircase. Move towards the staircase and walk through the staircase and stand on the fifth step and that is the end point.