अम्बत्तूर-अवदी खंड में सिग्नल फेल होने की जांच सुरक्षा नियमों के उल्लंघन को उजागर करती है

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 Master’s office to alert the staff to signal failures was found to have b