関連ワード:
in which indian city was the first metro rail operated in which india city was the first metro rail operated in which indian city was the first metro train operated in which india city was the first metro train operated where in india was the first metro rail operated where was the first metro rail started in india first metro train started in which city in india first underground metro railway started in india which is india's second city to get the metro rail when was first metro train started in india
