AI 2604 then SG 622 at Mumbai
Bengaluru → Mumbai → Varanasi
Timetable, Mumbai time
10:55AI 2604 from Bengaluru at the gate
10:40SG 622 to Varanasi leaves the gate
23 h 45 apart on the timetable, overnight
SG 622 leaves 23 h 45 after AI 2604 arrives on the timetable: more than half a day, so not a connection we count.