On January 26, Delhi Metro will begin services at 4 am on all lines.
Early services aim to facilitate public access to Kartavya Path for Republic Day ceremony.
Trains will run every 30 minutes from 4 am to 6 am.
Post that, the regular timetable will resume for the rest of the day.
Passengers with e-invitation cards or e-tickets for the Republic Day event will receive coupons.
Valid identity cards must be presented at stations to collect these coupons.
The coupons will permit exit at Central Secretariat and Udyog Bhawan Metro stations.
These coupons will also serve as round-trip passes for the two stations.
Regular announcements about coupons will be made on the trains.
Security measures at all stations will be heightened until January 27.