AI 2856 then 6E 6704 at Mumbai
Cochin → Mumbai → New Delhi
Timetable, Mumbai time
18:45AI 2856 from Cochin at the gate
13:456E 6704 to New Delhi leaves the gate
19 h apart on the timetable, overnight
6E 6704 leaves 19 h after AI 2856 arrives on the timetable: more than half a day, so not a connection we count.