Section 166 in The Bihar Motor Vehicles Rules, 1992
166. Protection of passengers from weather.
(1)Every public service shall have a fixed and water-tight roof.(2)Every public service vehicle shall have suitable Venetians or screens on its windows, capable at all times of protecting the passengers from the weather without preventing adequate ventilation of vehicle. When the screens are made of fabric, all of them shall at all times be fastened securely to the vehicle.(3)Where glass windows or Venetians are used they must be provided with effective means to prevent their rattling.
