Section 23(ii) in The U.P. Cinematograph Rules, 1951
(ii)The winding room shall be closed by a closely fitting self-closing door or fire-resisting material which shall only be opened for egress and shall remain closed during the entire period that the entertainment is in progress. Suitable arrangements shall be made for ventilation in the winding room and one or more electric fans of suitable dimensions shall be provided by the licensee.
