Section 158(3) in The Bihar Motor Vehicles Rules, 1992
(3)(a)Every public service vehicle other than a motor cab and a maxi cab shall have an emergency exit in the form of a door on the off side of the vehicle or from the rear wind screen, capable of being bolted from inside.(b)Such door shall have clear opening of not less than 660 mm.(c)Such door shall be prominently identified in red letters 'Emergency Exit' from inside and outside of the vehicle: Provided that, where windows are at least 1720 mm. wide, a separate emergency exit shall not be necessary.
