the Gujarat Cinema Rules, 2014State Rules of Gujarat · 2004
(1) The cinematograph machine shall be placed on firm supports fire resisting construction and it ~hall be provided with a metal shutter between the film gate and the source of Light. The shutter shall automatically drop in the event of any accident to the cinematograph machine or stoppage of the film and shall automatically rise when the film is in motion for the purpose of projection.
(2) The film gate shall be of massive construction and provided with ample heat radiating surface and the passage for the film shall be sufficiently narrow to prevent flame traveling upwards or downwards from the light opening.