Anyhow they make an unscheduled halt at GZB due to congestion ahead in territory of Delhi where trains from all directions converge towards NDLS ;-)
please wait...Translate to HindiKisi tarah toh weh aniyamit tor par GZB mein rukte hain kyunki Dilli ke kshetra mein aage se jam hote hain, jahan se sab dishaon se trainein NDLS ki taraf milti hain ;-)