Can anybody explain me that why MAHANANDA EXP can run via DDU-GAYA-PNBE route bt NORTHEAST SF Is getting diverted via DDU-GAYA-DHN-ASN-MLDT-KNE such a long diversion and skipping almost every station of biharЁЯдФЁЯдФЁЯдФWhy NORTHEAST EXP cannnot diverted via DDU-GAYA-PNBE route so that it can came to there existing route after PATNA JNЁЯШ╢...