While a man, appearing to be in his 40s, died in Ameenashah Nullah area, a youth was killed after being hit by train in Ashok Nagar, they said.
Similarly in another mishap, a woman was run over by train in Needar Benard railway line area.
Identification of all three victims is yet to be done, police said, adding that it is being probed whether they committed suicide or died in accident.