A 50-year-old woman and her two-year-old granddaughter were mowed down by an express train while they were crossing over to the other side of the platform at Patia railway station, the GRP said.
They were residents of Hindol in Dhenkanal district, police said.
Five members of a family were on their way to Puri, the police said.
While three members of the family managed to cross the tracks, the old woman and her granddaughter got stranded midway while crossing the tracks, the police said.
The GRP recovered the bodies and sent them for post-mortem.
GRP personnel from Mancheswar started an investigation into the incident.
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