SG 1082 then SG 622 at Mumbai
Porbandar → Mumbai → Varanasi
Timetable, Mumbai time
15:35SG 1082 from Porbandar at the gate
10:40SG 622 to Varanasi leaves the gate
19 h 05 apart on the timetable, overnight
SG 622 leaves 19 h 05 after SG 1082 arrives on the timetable: more than half a day, so not a connection we count.