6E 675 then SG 622 at Mumbai
New Delhi → Mumbai → Varanasi
Timetable, Mumbai time
11:106E 675 from New Delhi at the gate
10:40SG 622 to Varanasi leaves the gate
23 h 30 apart on the timetable, overnight
SG 622 leaves 23 h 30 after 6E 675 arrives on the timetable: more than half a day, so not a connection we count.