Accidents are happening with "alarming regularity", but the Railway Ministry and the government are yet to wake from their "slumber" and address the dire conditions of the railways, it said.
In its statement, the CPI(M) Polit Bureau also expressed grief over the loss of lives and conveyed its condolences to the families of those killed and sympathy with those injured.
"Instead of giving priority to railway safety and upgrading safety equipment, signaling and tracks, the government seems to more concerned with introducing bullets trains.
The party also demanded that the inquiry report of the incident be made public and the guilty be punished unlike earlier probes that remained "unpublished".
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