New Delhi, March 6 -- Minister of Housing and Urban Affairs Manohar Lal on Thursday said that by December 2025 the network of Delhi Metro will become the largest for a single city, surpassing New York Metro's 399-km record. "With the opening of the 12-km stretch Aerocity to Tughlakabad, Golden line, Delhi Metro's network will become the largest single network in the world," said Manohar Lal at a tunnel breakthrough event for Golden line, held at Vasant Kunj metro station.

At present, Delhi Metro's operation network is 394-km-long, he said. The Minister of Housing and Urban Affairs said Metro networks are operational or projects are in the pipeline across 29 states of the country and the network length today is around 1,000 km, which is t...