NEW DELHI: The Delhi Metro Rail Corporation (DMRC) will begin train operations at 4.30 am on Monday, two hours ahead of its usual schedule, to help devotees travelling for Usha Arghya during Chhath Puja.The early services have been arranged for Monday, when devotees will offer Usha Arghya, the morning prayers to the rising Sun, as part of the four-day Chhath festival, DMRC said in a post on X.Train services will start simultaneously from all terminal stations across the DMRC network, enabling devotees to reach their destinations early in the morning, it said.Trains will run at 15-minute intervals on all lines until regular revenue services begin. Thereafter, they will operate according to the day’s scheduled timetable, DMRC added.(With inputs from PTI)