The 650 metre long tunnel runs between Jama Masjid and Lal Quila Metro stations, part of the extended Central Secretariat to Kashmere Gate corridor of the third phase.

A similar tunnel on the same stretch is being constructed and is scheduled for completion by October 2014.

Delhi Metro is scheduled to build 53-km of underground lines as part of its phase three construction work which involves seven projects.

Phase three is scheduled to be completed by the end of 2016.

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