Member Traffic, Railways, Md Jamshed said the inquiry team probing the derailment, in which 22 passengers were killed, would look into the 15-minute audio clip.
The clip has since gone viral.
In the clip, the railway staff apparently posted at a crossing near the accident site in Khatauli in Muzaffarnagar claimed that "poor patrolling" on the track where maintenance work was underway was one of the reasons behind the tragedy.
"Neither the line, on which the work was under way, was fixed nor they had put any flag or a signboard (as a stop signal). The accident occurred due to negligence. It seems all (employees concerned) will be suspended."
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He also talks about how the workers had left some equipment between the tracks after finishing their work.
Commissioner of Railway Safety Shailesh Kumar Pathak is going to begin his probe tomorrow and the clip's veracity will be probed, officials said.
"We have got the clip from the media and heard it. In the clip, it sounds like a conversation between a railway worker and a mediaperson. In it, the worker is saying that the work was going on on the track and it was being done negligently. We are verifying its authenticity.
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