The probe into signal failure in the Ambattur-Avadi section exposes violation of safety rules

The probe into a signal failure in the Ambattur-Avadi section reveals that signal S192 malfunctioned over 50 times in February 2026. A buzzer at Ambattur Station Master’s office, meant to alert staff to signal failures, was disconnected, and the defective signal was repeatedly reset without analyzing the root cause.