||Sections of the line constructed in trench are represented with the same line style as the at-grade sections.
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* https://themetrorailguy.com/delhi-metro-phase-4-information-map/ says 45 stations.
** See also https://economictimes.indiatimes.com/news/politics-and-nation/operational-loss-in-delhi-metro-phase-iv-project-to-be-borne-by-delhi-govt-sc/articleshow/71008680.cms