About 20 youths started harassing the woman and her husband soon after the train left Ajmer Sharif last night. After complaints to officials at Kanpur and Agra railway stations yielded no result, they tweeted to the Railway Minister, drawing his attention, In-charge of GRP, Dhanbad, Shashi Bhusan said.
Police detained five youths when the train reached Dhanbad station while others fled, he said.