Delhi on Friday recorded a minimum temperature of 10.8 degrees Celsius, two notches below the seasonal average, the India Meteorological Department (IMD) said.
Miscreants pelted stones at the Dehradun-Delhi Shatabdi Express near Muzaffarnagar railway station here, damaging some window panes.
No one was injured in the incident which occurred yesterday after the train crossed the railway station, according to railway protection force.
The police has registered a case against unidentified people.
The incident took place near the state MLA hostel at a time when security in the area was beefed up in view of the ongoing state assembly session.
Somnath Bharati will be AAP's candidate for the New Delhi seat, which is currently held by Union Minister Meenakshi Lekhi.