Northern Railway has announced the extension of several Summer Special Trains to manage extra passenger rush.The extensions apply to trains traveling between stations like Indore Jn to Hazrat Nizamuddin and Udhna Jn to Ayodhya Cantt.Passengers can verify detailed timings and halts on the RailMadad website or by using the NTES App.Advance reservations for these extended services will open shortly.