6E 2527 then SG 622 at Mumbai
Madurai → Mumbai → Varanasi
Timetable, Mumbai time
11:506E 2527 from Madurai at the gate
10:40SG 622 to Varanasi leaves the gate
22 h 50 apart on the timetable, overnight
SG 622 leaves 22 h 50 after 6E 2527 arrives on the timetable: more than half a day, so not a connection we count.