6E 1089 then SG 622 at Mumbai
Bangkok → Mumbai → Varanasi
Timetable, Mumbai time
16:206E 1089 from Bangkok at the gate
10:40SG 622 to Varanasi leaves the gate
18 h 20 apart on the timetable, overnight
SG 622 leaves 18 h 20 after 6E 1089 arrives on the timetable: more than half a day, so not a connection we count.