SG 659 then SG 622 at Mumbai
Dabolim → Mumbai → Varanasi
Timetable, Mumbai time
13:45SG 659 from Dabolim at the gate
10:40SG 622 to Varanasi leaves the gate
20 h 55 apart on the timetable, overnight
SG 622 leaves 20 h 55 after SG 659 arrives on the timetable: more than half a day, so not a connection we count.