Singh applauded the concerted efforts of IGBC and DMRC in spearheading the Green Metro Movement in the country.
As there were no documents and valid reasons for carrying the cash, the case and money has been transferred to the Income Tax Department for further probe.
The incident took place at around 9.30 am and briefly disrupted the services on the Blue Line of the metro, connecting Electronic City in Noida and Dwarka in Delhi, officials said.
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.
The petitioner, a woman herself, claimed that the decision was unconstitutional or that it required the permission of the central government.
DMRC spokesperson Anuj Dayal said that such defects occur due to change of weather conditions.
The incident took place when a boy and girl were caught with cash during scanning of bags at the metro station.
Two people were apprehended by CISF personnel from a Delhi Metro station for carrying over Rs 1 crore in cash on Thursday.
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 court directed the Delhi metro to indicate in its reply the policy in place, if any, to compensate persons affected by its construction and other operations.
Currently, Delhi Metro spans nearly 350 km, having over 250 metro stations and nine colour-coded lines.
Construction went on allegedly despite repeated requests and show cause notices.
The direction from the EPCA came after the Supreme Court, which had capped the number of auto-rickshaws at one lakh.
Gahlot said that the government is fully prepared for the scheme, which it hopes will result in a drop in the city's level of air pollution.