Section 41(6) in The Opening of Delhi Metro Railway for Public Carriage of Passengers Rules, 2002
(6)The signal and telecommunication requirements in electrified sections shall be in accordance with the provision of Delhi Metro Signal Engineers Manual.Notes. - A catechism dealing with the requirement of signal and telecommunication installations for 1500 V DC and 25 kV 50 Hz AC electrified section are enclosed as Appendix A and B to these rules.
