Section 274(c) in The Rajasthan Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2009
(c)nothing except appliances or requisites for first-aid is department in a first-aid box or cupboard and such box or cupboard is so kept as to protect it against contamination by dust or other foreign matter and against penetration or moisture and such box or cupboard is kept in the charger of a person trained in first-aid and is always readily available during working hours.