AI 2184 then SG 622 at Mumbai
Dhaka → Mumbai → Varanasi
Timetable, Mumbai time
14:45AI 2184 from Dhaka at the gate
10:40SG 622 to Varanasi leaves the gate
19 h 55 apart on the timetable, overnight
SG 622 leaves 19 h 55 after AI 2184 arrives on the timetable: more than half a day, so not a connection we count.