Trains from Khagaria Jn. (KGG) to Rajajan Halt (RJJN)
No Direct Train!
There is no direct Train between Khagaria Jn. and Rajajan Halt. You can search for Trains from/to any nearby Railway Station, or you can look for alternate modes of Transportation.
For your return journey check list of Rajajan Halt to Khagaria Jn. Trains.