6E 5170 then SG 622 at Mumbai
Port Blair → Mumbai → Varanasi
Timetable, Mumbai time
15:206E 5170 from Port Blair at the gate
10:40SG 622 to Varanasi leaves the gate
19 h 20 apart on the timetable, overnight
SG 622 leaves 19 h 20 after 6E 5170 arrives on the timetable: more than half a day, so not a connection we count.