EntityQ5297145· pop 8· linked from 22 articlesDoon ExpressSign in to saveexpressConnectionsHowrah–Delhi main lineEntityWest BengalEntityUttar PradeshEntityBiharEntityUttarakhandEntityJharkhandEntitytrack gaugeEntityThe Times of IndiaEntityDelhi MetroEntityIndian RailwaysEntityrolling stockEntityDarjeeling Himalayan RailwayEntityKolkata MetroEntityKalka–Shimla RailwayEntitydining carEntityHowrah railway stationEntityJammu–Baramulla lineEntityBairganiaEntityRapid Metro GurgaonEntitytravel classEntityCategoriesExpress trains in IndiaNamed passenger trains of IndiaRail transport in BiharRail transport in HowrahRail transport in JharkhandRail transport in Uttar PradeshRail transport in West BengalRailway services introduced in 1925Trains from Dehradun