NCP MP Fauzia Khan asked Railways Minister Ashwini Vaishnaw about the dip in Vande Bharat trains' average speed from 84.48 kmph in 2020-21 to 76.25 kmph in 2023-24. In a written reply, Vaishnaw said average speed depends on geometry of the track, stoppages enroute, maintenance work. He added trains are designed for 180 kmph, with operating limit of 160 kmph.