AI 2977 then SG 705 at Mumbai
New Delhi → Mumbai → Cochin
Timetable, Mumbai time
23:55AI 2977 from New Delhi at the gate
23:35SG 705 to Cochin leaves the gate
23 h 40 apart on the timetable, overnight
SG 705 leaves 23 h 40 after AI 2977 arrives on the timetable: more than half a day, so not a connection we count.