Port Blair, Jan 25:As part of the Republic Day celebrations in the Andaman & Nicobar Islands, ships/vessels of Indian Navy, Indian Coast Guard, and DSS will be illuminated on 26 Jan 23 (Republic Day) and 29 Jan 23 (Beating Retreat) from 1800h to 2200h at anchorage off the Marine flag post seafront. At 1800h on both days, the ships would fire colorful flares and switch on the contour illumination lights.