Indian and international media have previously reported that a possible malfunction in the automated signalling system may have led to the crash. However, details of the frequent malfunctions at the nearby rail-road barrier and its possible connection to a manual bypass of the signalling system are reported by Reuters for the first time. A spokesman for Indian Railways said "repair works keep happening as per requirements" but tampering with the automated system is not allowed. "(Indian) Railways believes the system was tampered with," said the second source, who has access to briefings on the investigation. The Indian Railways spokesman did not directly address the authorisation issue and only said it is not allowed under Indian Railways rules.

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Persons: Amitabh Sharma, Sharma, Soubhagya Ranjan Sarangi, Narendra Modi's, Jaya Varma Sinha, Sinha, Sandeep Mathur, Mathur, Sudhanshu Mishra, Krishn Kaushik, Jatindra, Sarita Chaganti Singh, YP Rajesh, Angus MacSwan Organizations: Railways, Reuters, of Railway Safety, CRS, Railway Board, Railways Ministry, Indian Railways, police’s Central Bureau of Investigation, CBI, Coromandel Express, Express, YP, Thomson Locations: India, DELHI, Bahanaga Bazar, Balasore, Odisha, Bahanaga, Niranjan, Chennai, Kolkata, New Delhi