It has to go via danapur mostly
Via bbs is direct route
Even patna itself via bbs is short
Important is using ballarshah bypass trains not divertes yet not frquncy increased for any bihar trains via ngp Or bbs
Just...
more... time pass
When rb knows raptisagar needs daily they r not making any effort at all
Also on daily raj bound train needed from mas side biweekly should be daily
Also 3rd daily hwh-mas train needed
2nd daily sbc-hwh needed
And daily assam train from sbc