AI 2740 then 6E 6704 at Mumbai
Chennai → Mumbai → New Delhi
Timetable, Mumbai time
20:20AI 2740 from Chennai at the gate
13:456E 6704 to New Delhi leaves the gate
17 h 25 apart on the timetable, overnight
6E 6704 leaves 17 h 25 after AI 2740 arrives on the timetable: more than half a day, so not a connection we count.