Home/National/Delhi Metro set to start double-line operation on Gray Line section from today National Delhi Metro set to start double-line operation on Gray Line section from today CalcuttaGazetteofficial@gmail.com Send an email November 25, 20220 Less than a minute Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket CalcuttaGazetteofficial@gmail.com Send an email November 25, 20220 Less than a minute Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket Share Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket Share via Email Print