AI 2564 then SG 622 at Mumbai
Jaisalmer → Mumbai → Varanasi
Timetable, Mumbai time
14:20AI 2564 from Jaisalmer at the gate
10:40SG 622 to Varanasi leaves the gate
20 h 20 apart on the timetable, overnight
SG 622 leaves 20 h 20 after AI 2564 arrives on the timetable: more than half a day, so not a connection we count.