SG 621 then AI 2996 at Mumbai
Udaipur → Mumbai → New Delhi
Timetable, Mumbai time
20:45SG 621 from Udaipur at the gate
18:30AI 2996 to New Delhi leaves the gate
21 h 45 apart on the timetable, overnight
AI 2996 leaves 21 h 45 after SG 621 arrives on the timetable: more than half a day, so not a connection we count.