Section 4(6) in The Calcutta Metro Railway General Rules, 2000
(6)Cab equipments such as :(a)First Aid Box.(b)Emergency Telephone and Train Radio.(c)Train P.A.System.(d)Earthing Rod.(e)Passenger Detraining Ladder during emergency.(f)Tail Lamp (fixed) in last vehicle.(g)Wedge.(h)Fire Extinguisher.(i)Trouble Shooting Tool Box.
