किशनगंज: Katihar रेलखंड पर मेगा ब्लॉक: 26 ट्रेनें रद्द, 16 एक्सप्रेस ट्रेनों का मार्ग बदला | Katihar Rail Division, Mega Block, Railway Doubling Project, Train Cancellation, Route Diversion, Express Trains, Katihar Dalkhola Section, Indian Railways, Non Interlocking Work, Pre NI Work, Rail Infrastructure, Kishanganj News, Passenger Advisory, Railway Update, Train Operations #KatiharRailDivision #MegaBlock #IndianRailways #TrainCancellation #RouteDiversion #RailwayUpdate #RailwayDoubling #ExpressTrains #KishanganjNews #RailInfrastructure #PassengerAlert #TravelUpdate #TrainNews #RailwayProjects #KatiharNews