Section 49A(8) in The West Bengal Factories Rules, 1958
(8)Attention to brakes and doors: - (a) No locomotive, wagon or other rolling stock shall be kept standing unless its brakes are firmly applied and, where it is on a gradient, without sufficient number of properly constructed scotches placed firmly in position.(b)No train shall be set in motion until the shunting jamadar has satisfied himself that all wagon doors are securely fastened.
