Rohit** ji, I think after completion of Patliputra-Sonpur bridge(Ganga) & SEE HJP doubling,trains coming from MGS side & going towards different part after BJU(for eg,NE,PSK,GHY Rajdhani,Mahananda,LTT KYQ/GHY etc) will take DNR-PPTA-SEE-HJP-BJU-KIR route thus by avoiding busy PNBE-MKA section.