Government Railway Police (GRP) incharge Gurbhej Singh identified the woman as Kamla of Dehradun, Uttrakhand.
He said that she was travelling to Beas with a group of pilgrims in the Haridwar passenger train.
She got down at the Phagwara railway station to fetch drinking water and slipped while trying to re-board the train last night, the GRP official said.
A case under Section 174 CrPC was also registered, Mr Singh said.
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