6E 353 then SG 622 at Mumbai
New Delhi → Mumbai → Varanasi
Timetable, Mumbai time
05:556E 353 from New Delhi at the gate
18:00SG 622 to Varanasi leaves the gate
12 h 05 apart on the timetable
SG 622 leaves 12 h 05 after 6E 353 arrives on the timetable: more than half a day, so not a connection we count.