Delhi Metro will start its services at 3 AM on all lines on 26th January to help people reach Kartavya Path and witness the Republic Day ceremony. According to Delhi Metro, trains will operate at intervals of 30 minutes until 6 AM, after which the regular timetable will be followed for the rest of the day. Delhi Metro has encouraged passengers to plan their travel accordingly and make use of the early metro services to avoid any last-minute inconvenience.