Section 41(1)(c) in The Bangalore Metro Railway (Opening of Public Carriage for Passengers) Rules, 2011
(c)on the date on which energization of third rail equipments take place, necessary clearance certificate should be obtained from all the Construction Officers of Electrical, Civil, Signaling and Telecommunication and others who had been hitherto working in the substation premises and on the section to the effect that their staff had been withdrawn and the sub-station including the section could be energized;