Right now you are standing in the corridor in between the two brown color doors, turn left and go straight on the right side you can find a brown color small cupboard, take right from it walk straight through the open door in the front after entering through the open door you can find a round pillar to the left turn slight right from there and enter into the open door which is present towards the right side as soon as you enter you can find two open doors to the right, walk into the second door towards the right near the second glass wall enter into it and walk straight till the last cupboard to the right and take left right in between of the two doors is the end point.