Section 22(3) in The Bangalore Metro Railway (General) Rules, 2011
(3)The Traffic Controller shall verify as far as practicable from indications on his diagram the problem is not caused by a track side fault or another train and if no cause is apparent, he shall instruct the Train Operator to select the Run On Sight mode and try to move ahead exercising utmost vigilance so that he may stop short of any obstruction.
