Aap sab ek baat bhul rahe hai ki muzaffarpur to ppta via Hajipur single track hai, jispar abhi ek bhi nayi ya extended train ke liye slot arrange karna lagbhag namumkin hai.Patna se chalne wali trains jarur extend hogi aur nayi trains bhi khulengi par tab jab doubling work pura hoga.Nayi train, extended train se jyada jaruri punctuality hai IR ke aim mein, isiliye last 2 budget railway ne na ke barabar trains di ya extension.Lalu ne bhale hi bahut trains di ho, par IR ko bail gaari banane wala bhi wahi hai.