Exit/Entry gates for Udyog Bhawan, Patel Chowk and Central Secretariat have been closed temporarily," the DMRC tweeted.
The Delhi Metro Red Line coaches were procured in 2002 and have completed more than 15 years of their 30-year life cycle.
Foundation for Restoration of National Values, an organisation founded by him, will file PIL
The society should come forward to resolve this.
DMRC spokesperson Anuj Dayal said that such defects occur due to change of weather conditions.
Meanwhile, director of city-based Centre for Public Policy Research (CPPR) Dhanuraj observed that the step by the government will only be a temporary solution.
The decision was taken on the recommendation of DMRC's principal adviser, E Sreedharan, that the flyover rebuilt would have a life of 100 years.
The DMRC has made sure that adequate manpower is available to ensure normal and uninterrupted service on these Metro lines once it takes over their operations.
On World Mental Health Day, doctors said many people choose getting hit by metro trains to kill themselves as it allows them to die with 'minimal pain'.
DMRC said the maintenance work aimed at checking track adjustments.
Union Housing and Urban Affairs minister Hardeep Singh Puri and Chief Minister Arvind Kejriwal flagged off a train on the corridor.
A joy ride along with a puppet show and a visit to the Metro Museum at Patel Chowk was also organised for children.
The Grey Line is a standard-gauge section and out of the 4.295 km, 2.57 km is elevated and 1.5 km underground.
An adequate number of trained security guards at stations can help avoid these incidents.
The Delhi Metro Rail Corporation’s Dwarka – Najafgarh Metro corridor is a;ll set to be opened for passengers next week.