SG 621 then AI 2988 at Mumbai
Udaipur → Mumbai → New Delhi
Timetable, Mumbai time
20:45SG 621 from Udaipur at the gate
20:30AI 2988 to New Delhi leaves the gate
23 h 45 apart on the timetable, overnight
AI 2988 leaves 23 h 45 after SG 621 arrives on the timetable: more than half a day, so not a connection we count.