“The clearance from the commissioner for Metro rail safety has been received. The operations will begin at 6 p.m.,” the Delhi Metro Rail Corporation said in a statement.
“The ceremonial flag-off will take place at 4 p.m.,” it added.
The underground stretch is a part of the 9.37-km long Central Secretariat-Kashmere Gate line. The corridor connects office areas at Mandi House, ITO, Jama Masjid, Red Fort as well as the commercial centres and residential colonies in the walled city.