Exit requirement :- Every building having human occupancy shall be provided with exits sufficient to permit safe egress of occupants in case of fire or other emergency. In exit may be a fire exit door way and internal staircase and external staircase exit passage way and having assess to the street or veranda or refuge area terrace or roof of a building. Exit shall be continuously maintained free of all obstruction. Lift a escalator moving woke way shall not be considered as exit.