New Delhi: Metro rail services will commence at 4 am on the day of the Lok Sabha elections in Delhi, scheduled for May 25, the Delhi Metro Rail Corporation (DMRC) said on Wednesday. The decision was made to ensure convenient transportation for the staff deployed for election duty, Principal Executive Director of Corporate Communications at DMRC, Anuj Dayal said. The trains will run with a frequency of 30 minutes on all lines from 4 am to 6 am. Subsequently, normal metro train services will resume and continue throughout the day.