6E 5093 then SG 488 at Mumbai
Chennai → Mumbai → Port Blair
Timetable, Mumbai time
07:356E 5093 from Chennai at the gate
05:55SG 488 to Port Blair leaves the gate
22 h 20 apart on the timetable, overnight
SG 488 leaves 22 h 20 after 6E 5093 arrives on the timetable: more than half a day, so not a connection we count.