Section 15(1)(b) in Bihar Entertainments Tax Rules, 1984
(b)On admission of the holder of a ticket other than a season ticket available for series of entertainments, the proprietor of the entertainment shall cause the ticket of such holder to be collected by the gatekeeper, qualified to perform his duties at the entrance to the entertainment. The foil, marked 'For visitor', of the ticket, so collected shall be returned to the holder at the entrance to the entertainment and the other foils, marked 'For Gate' shall remain with the Gatekeeper till the show is over when they shall be transferred to the custody of the proprietor for being retained and preserved till the next day following the entertainment.