(1)Where it appears to a [Board] [Substituted by Act 24 of 1936, S.69, for "Cantonment Authority" ] that any building or part of a building in the cantonment which is used as a dwelling house is so overcrowded as to endanger the health of the inmates thereof, it may, after such inquiry as it thinks fit, by notice in writing require the owner or occupier of the building or part thereof, as the case may be, within such time not being less than one month as may be specified in the notice, to abate the overcrowding of the same by reducing the number of lodgers, tenants, or other immates to such number as may be specified in the notice.