New Delhi: Services on all six lines of the Delhi Metro resumed by 8.45 a.m. after almost three hours of disruption due to tripping of the power supply across northern India, an official said here on Monday.

"Services in all the six lines became normal by 8.45 a.m. We are receiving hydel power from Bhutan on priority basis," a Delhi Metro official said.

He added that Delhi Metro was amongst the emergency services, including the Prime Minister's residence and the All India Institute of Medical Sciences (AIIMS), being provided power.

"We were unable to operate any of the lines for an hour from 6 a.m. to 7 a.m. due to tripping of power supply.  At 7 a.m. we restored 25 percent of the trains on all the lines, and now all the trains are plying as usual," the official added.

The Northern Grid failure also caused power cuts in most parts of Delhi. Delhi Metro normally operates over 2,700 trips a day, covering about 70,000 km and carrying around 1.8 million passengers on week days.

Thousands of commuters faced severe hardship in the morning hours on Monday when Delhi Metro services were largely disrupted owing to a major failure in the Northern Grid that supplies power to the modern transport system.

The train services are expected to be restored after 9 am on all lines except the Gurgaon corridor, which might take some more time, they said.

As majority of the trains were taken off services due to power failure, the frequency of trains became an all-time low of 20 minutes on a few corridors in the first few hours in the morning, people were stranded at several Metro stations.

Sources said that though the failure in the Northern Grid is expected to be rectified only in the evening, Delhi Metro was getting hydel power from Bhutan on priority basis along with power from AIIMS and Prime Minister's House to run the services.

As services were not available in the morning, people were forced to take over-crowded buses and auto rickshaws. Passengers alleged that there were no proper announcements about the power failure at Metro stations.

The disruption in services came as a jolt to thousands of office-goers who depend on Metro to reach their workplace without any hassle. Delhi Metro carries around 18 lakh passengers a day.

(Agencies)

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