6E 5084 then 6E 6020 at Mumbai
Chennai → Mumbai → Ahmedabad
Timetable, Mumbai time
12:006E 5084 from Chennai at the gate
09:306E 6020 to Ahmedabad leaves the gate
21 h 30 apart on the timetable, overnight
6E 6020 leaves 21 h 30 after 6E 5084 arrives on the timetable: more than half a day, so not a connection we count.