Section 71(3) in The Bangalore Metro Railway (General) Rules, 2011
(3)No person shall work on high Voltage or 750 V DC equipment, or switch such equipment by local control unless he is properly trained and certified to perform such duties by the Authorised Officer and possess a valid certificate of competency and he shall also obtain the permission of Traction Power Controller before undertaking such work and the procedure for obtaining, granting and cancelling of such permission shall be laid down in special instructions.
