AI 2478 then SG 622 at Mumbai
Dabolim → Mumbai → Varanasi
Timetable, Mumbai time
16:55AI 2478 from Dabolim at the gate
10:40SG 622 to Varanasi leaves the gate
17 h 45 apart on the timetable, overnight
SG 622 leaves 17 h 45 after AI 2478 arrives on the timetable: more than half a day, so not a connection we count.