AI 2492 then 6E 5030 at Mumbai
Lucknow → Mumbai → Varanasi
Timetable, Mumbai time
18:55AI 2492 from Lucknow at the gate
17:406E 5030 to Varanasi leaves the gate
22 h 45 apart on the timetable, overnight
6E 5030 leaves 22 h 45 after AI 2492 arrives on the timetable: more than half a day, so not a connection we count.