The accused identified as Debshankar Sau, was arrested from Uttarpara in Hoogly district yesterday.
The 25-year-old woman had jumped off the train at Belur, a few kilometres from Howrah.
She suffered injuries to her head and hands and locals found her in an unconscious state near the railway track.
She was then shifted to a hospital where West Bengal Chief Minister Mamata Banerjee visited her and offered to cover all her medical expenses.
--ANI (Posted on 27-07-2013)