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

WIRE — Documents accessed by The Hindu reveal that the automatic signal, S192, malfunctioned over 50 times in February 2026 alone. A buzzer installed in the Ambattur Station Masterâ s office to alert the staff to signal failures was found to have been â disconnectedâ . The defective signal was repeatedly reset by field technical workers without analysing the root cause of the malfunction

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