Right now you are facing towards the door. Exit the room through the door and you will find a white cupboard in front of you. Move forward towards the cup board and turn left and slightly move forward, you will find a designed door mat on the floor. Slightly move forwards and take the immediate left, you will find a door opened a door opened in front of you. Enter into the door and you will find stairs  on your left. Move forward towards the stairs and here is your destination.