AI 2774 then 6E 6704 at Mumbai
Kolkata → Mumbai → New Delhi
Timetable, Mumbai time
20:45AI 2774 from Kolkata at the gate
13:456E 6704 to New Delhi leaves the gate
17 h apart on the timetable, overnight
6E 6704 leaves 17 h after AI 2774 arrives on the timetable: more than half a day, so not a connection we count.