(1) Every railway servant connected with the movement of trains, shunting operations, maintenance of installation of works of any nature affecting safety of trains shall have ,-
(a) a correct knowledge regarding display of hand signals; and
(b) the requisite hand signals with him while on duty and keep them in good working order and ready for immediate use.
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(2) Every railway servant shall see that the staff under him concerned with use of hand signals are adequately supplied with all necessary equipment for hand signalling and have a correct knowledge of their use.
(3) A red flag and a green flag by day and a lamp which is capable of showing red, green and white lights by night shall constitute the requisite equipment for hand signalling. In addition the concerned staff shall also carry amber flasher light in accordance with special instructions.
(4) Every station master shall see that his station is adequately supplied with all necessary equipment for hand signalling.
G - Amber Flasher Light