Section 116(1) in The Bihar Motor Vehicles Rules, 1992
(1)Where a permit holder or any responsible person receives any article under clause (f) of Rule 16 or Clause (n) of Rule 29 he shall, keep that article for a period of seven days and shall, if the article is not claimed during that period, handover the same to the officer-in-charge of the nearest police station:Provided that if the article is of a perishable nature, it may be handed over to the officer-in-charge of the nearest police station even before the expiry of seven days.